040421090020

• 0 — Number system
• 40421 — Manufacturer code
• 09002 — Product code
• 0 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

3.5inch floppy disk battle chess (dos 3.1 or Higher)

Search for 3.5inch floppy disk battle chess (dos 3.1 or Higher) on Amazon (or for the code 040421090020)