641427636610

• 6 — Number system
• 41427 — Manufacturer code
• 63661 — Product code
• 0 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

Compatible Large Building Block Toys By Brickyard, For Children Ages 1.5 - 5, Fits Duplo Blocks - Bulk Block Set

Search for Compatible Large Building Block Toys By Brickyard, For Children Ages 1.5 - 5, Fits Duplo Blocks - Bulk Block Set on Amazon (or for the code 641427636610)