Vintage 1975 Milton Bradley Flash Cards Addition #4451 Complete Grade 2-6

Vintage 1975 Milton Bradley Flash Cards Addition #4451 Complete Grade 2-6. Vintage addition flash cards. Complete set of 50 two-sided cards (100 addition problems) with instructional cards. Original box does have some wear. These are the large style flash cards that measure approximately 6" X 4". Please see pictures. Check out my other listings for more flash cards sets!