![[BT21] DIY Nano Building Block Limited Edition - Koya](https://cdn.shopify.com/s/files/1/0412/4003/5477/files/BT21_DalgonaMaker_4.png?v=1725034105)
[BT21] DIY Nano Building Block Limited Edition - Koya
$17.99
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Product Description: BT21 nano blocks One size fits all
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