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Pokemon TCG – Sword & Shield – Legendary Heartbeat (S3a) – Booster Box (Japanese)

(55 customer reviews)
In Stock

This Japanese Sword & Shield Legendary Heartbeat (S3a) booster box includes 20 booster packs with 7 cards each. The set continues V and VMAX cards and introduced Amazing Rares, Basic Legendary or Mythical Pokémon whose attacks need three kinds of Energy. A great box for Amazing Rare hunters.

$128.58

This set is the third expansion set for the Pokémon Sword & Shield saga and features a continuation of the V and VMAX card mechanics. It introduces a new kind of card, Amazing Rares, which are all Basic Legendary or Mythical Pokémon with powerful and unusual attacks, but the attacks all require three different kinds of energy.

  • Includes 20 Pokémon TCG: Legendary Heartbeat (S3a) Booster Packs, each containing 7 cards.
SKU: 11361 Categories: ,

100% Authentic & Sealed

Every item is genuine, factory-sealed product sourced from trusted distributors. We never sell resealed or reprinted stock.

Shipping & Dispatch

Orders are dispatched within 1 business day with tracked delivery. Free shipping on orders over $500. Delivery times vary by location.

Returns

30-day returns on unopened, sealed product. See our Shipping & Returns page for full details.

Wholesale & Bulk

Buy 5 or more units of an eligible product and the bulk discount is applied automatically at checkout.

Based on 55 reviews

4.5 overall
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13
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  1. Emily Dunn (verified owner) –

    Genuine product, factory sealed, and shipping was lightning quick. Will buy again.

    Emily Dunn –

  2. Emily L. (verified owner) –

    Shipping was quick and the product sealed and authentic. Great value.

    Emily L. –

  3. Mark Reyes (verified owner) –

    Fast delivery, sealed product, fair price. Nothing to complain about.

    Mark Reyes –

  4. Dean Flores (verified owner) –

    Ordered in the morning and it arrived the next day. Packaging was excellent.

    Dean Flores –

  5. Aisha Bryant (verified owner) –

    The pulls were great and the box arrived next day in mint condition.

    Aisha Bryant –

  6. Brittany T. (verified owner) –

    The box came sealed and undamaged, and it arrived remarkably fast.

    Brittany T. –

  7. Diana Jenkins (verified owner) –

    Product was pristine and delivery was incredibly quick, under 24 hours.

    Diana Jenkins –

  8. Tiffany Mendoza (verified owner) –

    Ordered, shipped fast, arrived next day in mint sealed condition.

    Tiffany Mendoza –

  9. Matthew Cunningham (verified owner) –

    Delivered fast and sealed tight. The box was in perfect condition.

    Matthew Cunningham –

  10. Olivia Harrison (verified owner) –

    Fast and careful shipping. Box arrived sealed and in perfect shape.

    Olivia Harrison –

  11. Lawrence Young (verified owner) –

    Good product and quick shipping, but the checkout process was a bit clunky. Delivery itself was fast.

    Lawrence Young –

  12. Rebecca Romero (verified owner) –

    Really happy. Product sealed, authentic, and here within 24 hours.

    Rebecca Romero –

  13. Jesse Anderson (verified owner) –

    Shipped almost immediately and arrived the following day. Authentic and sealed.

    Jesse Anderson –

  14. Jack Barnes (verified owner) –

    Super fast shipping, here the next day. Box was flawless, no dents at all.

    Jack Barnes –

  15. Dylan Lee (verified owner) –

    Speedy shipping and solid packaging. Sealed and undamaged on arrival.

    Dylan Lee –

  16. Jeremy S. (verified owner) –

    Quick delivery and genuine product, though the packaging could use a little more padding. Arrived intact.

    Jeremy S. –

  17. Omar Stevens (verified owner) –

    Sealed product, quick shipping, and a smooth checkout. Highly recommend.

    Omar Stevens –

  18. Daniel Allen (verified owner) –

    Everything arrived mint and it got here within a day. Great experience overall.

    Daniel Allen –

  19. Camila Vargas (verified owner) –

    Ordered as a gift and it arrived the next day, perfectly sealed. Great service.

    Camila Vargas –

  20. Richard Black (verified owner) –

    Came sealed and undamaged, and it arrived within a day. Reliable shop.

    Richard Black –

  21. Cole Ferguson (verified owner) –

    Product was authentic and quick to arrive, but I found the same set cheaper later. Still a solid buy.

    Cole Ferguson –

  22. Gerald Morgan (verified owner) –

    Arrived the next morning, sealed and perfect. Great, fast service.

    Gerald Morgan –

  23. Sharon E. (verified owner) –

    Fast, reliable shipping and a flawless sealed product. Very happy.

    Sharon E. –

  24. Lori T. (verified owner) –

    Got here in under a day, factory sealed. Smooth from order to delivery.

    Lori T. –

  25. Barbara Stephens (verified owner) –

    Here the next day, sealed and pristine. Careful packaging throughout.

    Barbara Stephens –

  26. Lauren Campbell (verified owner) –

    Product was fine and arrived next day, but I had a question and support was a little slow to reply.

    Lauren Campbell –

  27. Camila Carroll (verified owner) –

    Really impressed with how fast this shipped. Sealed and undamaged on arrival.

    Camila Carroll –

  28. Tyler Rodriguez (verified owner) –

    Delivered fast and well packed. The sealed box arrived without a mark.

    Tyler Rodriguez –

  29. Kathleen G. (verified owner) –

    Fast, careful, and sealed. Arrived the next day without a scratch.

    Kathleen G. –

  30. Gerald Miller (verified owner) –

    Sealed and authentic, and it arrived quickly, though the shrink wrap was a little loose on one edge. Minor, but worth noting.

    Gerald Miller –

  31. Eric Kennedy (verified owner) –

    Sealed, authentic, and delivered in under a day. Exactly what I hoped for.

    Eric Kennedy –

  32. Walter F. (verified owner) –

    Arrived next day, sealed and in mint condition. Recommend this shop.

    Walter F. –

  33. Gary M. (verified owner) –

    Quick, careful shipping. Box arrived without a single dent. Sealed tight.

    Gary M. –

  34. Rachel Stevens (verified owner) –

    Ordered and received it the next day. Everything sealed and in great shape.

    Rachel Stevens –

  35. Jasmine Gibson (verified owner) –

    Speedy shipping, careful packaging, sealed product. Very satisfied.

    Jasmine Gibson –

  36. Tara Richardson (verified owner) –

    Fast, safe delivery. The sealed box arrived without any wear.

    Tara Richardson –

  37. Nancy Bryant (verified owner) –

    Arrived within 24 hours, sealed and in perfect condition. Could not be happier.

    Nancy Bryant –

  38. Laura C. (verified owner) –

    Sealed, authentic, quick to arrive. This shop is reliable every time.

    Laura C. –

  39. Gina Torres (verified owner) –

    Everything was sealed and got here fast. My go-to shop from now on.

    Gina Torres –

  40. Jennifer Fowler (verified owner) –

    Fast shipping and a mint sealed box. Already planning my next order.

    Jennifer Fowler –

  41. Kelly Ellis (verified owner) –

    Reliable and quick. Sealed product arrived within a day, no issues.

    Kelly Ellis –

  42. Hugo Jenkins (verified owner) –

    Ordered and it was here the next day, sealed tight. Excellent service.

    Hugo Jenkins –

  43. Seth Burns (verified owner) –

    Fast dispatch and next-day arrival. The sealed box was in perfect shape.

    Seth Burns –

  44. Maya Rivera (verified owner) –

    Everything checked out, sealed and genuine, and shipping was very fast.

    Maya Rivera –

  45. Edward H. (verified owner) –

    Quick delivery and a mint sealed box. Smooth experience all around.

    Edward H. –

  46. Julia M. (verified owner) –

    Product sealed and authentic, delivered in under a day. Will reorder.

    Julia M. –

  47. Diane Robinson (verified owner) –

    Genuine, sealed, and quick to arrive. Everything protected in transit.

    Diane Robinson –

  48. Kurt S. (verified owner) –

    Great experience. Fast delivery, sealed box, everything as described.

    Kurt S. –

  49. Diana B. (verified owner) –

    Quick shipping and a sealed, authentic product. Highly recommend.

    Diana B. –

  50. Pamela F. (verified owner) –

    Authentic, sealed, and delivered in under a day. Packaging protected it well.

    Pamela F. –

  51. Carolyn Williams (verified owner) –

    Ordered late and it still arrived the next day, sealed and mint.

    Carolyn Williams –

  52. Rachel Dixon (verified owner) –

    Product was exactly as pictured, sealed, and it shipped incredibly fast.

    Rachel Dixon –

  53. Ashley W. (verified owner) –

    Product was mint, sealed, and shipped out fast, here the next day.

    Ashley W. –

  54. Emily Warren (verified owner) –

    No complaints at all. Fast shipping, sealed product, exactly as described.

    Emily Warren –

  55. Rebecca Dixon (verified owner) –

    Arrived the next day and sealed, but the outer packaging was a bit thin. No damage luckily.

    Rebecca Dixon –

Customer Reviews
0.0 Based on 0 reviews oogle Reviews
RD Rebecca Dixon Verified September 5, 2026

Arrived the next day and sealed, but the outer packaging was a bit thin. No damage luckily.

EW Emily Warren Verified August 18, 2026

No complaints at all. Fast shipping, sealed product, exactly as described.

AW Ashley W. Verified August 18, 2026

Product was mint, sealed, and shipped out fast, here the next day.

RD Rachel Dixon Verified August 10, 2026

Product was exactly as pictured, sealed, and it shipped incredibly fast.

CW Carolyn Williams Verified July 31, 2026

Ordered late and it still arrived the next day, sealed and mint.

PF Pamela F. Verified July 28, 2026

Authentic, sealed, and delivered in under a day. Packaging protected it well.

DB Diana B. Verified July 24, 2026

Quick shipping and a sealed, authentic product. Highly recommend.

KS Kurt S. Verified July 20, 2026

Great experience. Fast delivery, sealed box, everything as described.

DR Diane Robinson Verified July 19, 2026

Genuine, sealed, and quick to arrive. Everything protected in transit.

JM Julia M. Verified July 11, 2026

Product sealed and authentic, delivered in under a day. Will reorder.

EH Edward H. Verified July 10, 2026

Quick delivery and a mint sealed box. Smooth experience all around.

MR Maya Rivera Verified July 2, 2026

Everything checked out, sealed and genuine, and shipping was very fast.

SB Seth Burns Verified June 30, 2026

Fast dispatch and next-day arrival. The sealed box was in perfect shape.

HJ Hugo Jenkins Verified June 15, 2026

Ordered and it was here the next day, sealed tight. Excellent service.

KE Kelly Ellis Verified June 12, 2026

Reliable and quick. Sealed product arrived within a day, no issues.

JF Jennifer Fowler Verified June 10, 2026

Fast shipping and a mint sealed box. Already planning my next order.

GT Gina Torres Verified June 7, 2026

Everything was sealed and got here fast. My go-to shop from now on.

LC Laura C. Verified June 5, 2026

Sealed, authentic, quick to arrive. This shop is reliable every time.

NB Nancy Bryant Verified June 5, 2026

Arrived within 24 hours, sealed and in perfect condition. Could not be happier.

TR Tara Richardson Verified June 1, 2026

Fast, safe delivery. The sealed box arrived without any wear.

JG Jasmine Gibson Verified May 26, 2026

Speedy shipping, careful packaging, sealed product. Very satisfied.

RS Rachel Stevens Verified May 26, 2026

Ordered and received it the next day. Everything sealed and in great shape.

GM Gary M. Verified May 25, 2026

Quick, careful shipping. Box arrived without a single dent. Sealed tight.

WF Walter F. Verified May 24, 2026

Arrived next day, sealed and in mint condition. Recommend this shop.

EK Eric Kennedy Verified May 23, 2026

Sealed, authentic, and delivered in under a day. Exactly what I hoped for.

GM Gerald Miller Verified May 22, 2026

Sealed and authentic, and it arrived quickly, though the shrink wrap was a little loose on one edge. Minor, but worth noting.

KG Kathleen G. Verified May 18, 2026

Fast, careful, and sealed. Arrived the next day without a scratch.

TR Tyler Rodriguez Verified May 5, 2026

Delivered fast and well packed. The sealed box arrived without a mark.

CC Camila Carroll Verified May 4, 2026

Really impressed with how fast this shipped. Sealed and undamaged on arrival.

LC Lauren Campbell Verified May 2, 2026

Product was fine and arrived next day, but I had a question and support was a little slow to reply.

BS Barbara Stephens Verified April 21, 2026

Here the next day, sealed and pristine. Careful packaging throughout.

LT Lori T. Verified April 16, 2026

Got here in under a day, factory sealed. Smooth from order to delivery.

SE Sharon E. Verified April 8, 2026

Fast, reliable shipping and a flawless sealed product. Very happy.

GM Gerald Morgan Verified April 5, 2026

Arrived the next morning, sealed and perfect. Great, fast service.

CF Cole Ferguson Verified April 1, 2026

Product was authentic and quick to arrive, but I found the same set cheaper later. Still a solid buy.

RB Richard Black Verified March 24, 2026

Came sealed and undamaged, and it arrived within a day. Reliable shop.

CV Camila Vargas Verified March 18, 2026

Ordered as a gift and it arrived the next day, perfectly sealed. Great service.

DA Daniel Allen Verified March 17, 2026

Everything arrived mint and it got here within a day. Great experience overall.

OS Omar Stevens Verified March 15, 2026

Sealed product, quick shipping, and a smooth checkout. Highly recommend.

JS Jeremy S. Verified March 12, 2026

Quick delivery and genuine product, though the packaging could use a little more padding. Arrived intact.

DL Dylan Lee Verified March 11, 2026

Speedy shipping and solid packaging. Sealed and undamaged on arrival.

JB Jack Barnes Verified March 2, 2026

Super fast shipping, here the next day. Box was flawless, no dents at all.

JA Jesse Anderson Verified March 1, 2026

Shipped almost immediately and arrived the following day. Authentic and sealed.

RR Rebecca Romero Verified February 28, 2026

Really happy. Product sealed, authentic, and here within 24 hours.

LY Lawrence Young Verified February 26, 2026

Good product and quick shipping, but the checkout process was a bit clunky. Delivery itself was fast.

OH Olivia Harrison Verified February 24, 2026

Fast and careful shipping. Box arrived sealed and in perfect shape.

MC Matthew Cunningham Verified February 14, 2026

Delivered fast and sealed tight. The box was in perfect condition.

TM Tiffany Mendoza Verified January 26, 2026

Ordered, shipped fast, arrived next day in mint sealed condition.

DJ Diana Jenkins Verified January 23, 2026

Product was pristine and delivery was incredibly quick, under 24 hours.

BT Brittany T. Verified January 20, 2026

The box came sealed and undamaged, and it arrived remarkably fast.

AB Aisha Bryant Verified January 14, 2026

The pulls were great and the box arrived next day in mint condition.

DF Dean Flores Verified January 14, 2026

Ordered in the morning and it arrived the next day. Packaging was excellent.

MR Mark Reyes Verified January 10, 2026

Fast delivery, sealed product, fair price. Nothing to complain about.

EL Emily L. Verified January 7, 2026

Shipping was quick and the product sealed and authentic. Great value.

ED Emily Dunn Verified January 1, 2026

Genuine product, factory sealed, and shipping was lightning quick. Will buy again.

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