706406108424

• 7 — Number system
• 06406 — Manufacturer code
• 10842 — Product code
• 4 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 706406100091 — Didax 100 number grid&tray dd210009
• 9421002419293 — Didax 5 olympian number Line games dd506015
• 706406114432 — Didax active place value set dd211443
• 706406114494 — Didax attribute blocks desk set dd211449
• 5011805036656 — Didax bead frame abacus dd8366
• 706406105539 — Didax blends word build card k-3 24p dd2850

Didax book developing math w/unifix dd2177

Search for Didax book developing math w/unifix dd2177 on Amazon (or for the code 706406108424)