Modern Math Addition mechanical flash card system
Childrens toy -looks like a mechanical adding machine - pull handle and you get three addition problems to solve.
Item Details
- Date
- undated (Made)
- Type
- Physical Object
- Catalogue number
- B231.82
- Organization
- Wolverine (Manufacturer)
- Credit line
- Courtesy Gwen and Gordon Bell
- Place of publication
- North America/USA
- Weight
- 1 (lb)
- Acquisition number
- X6288.2012