Mathematical teaching aid for multiplication
Short bead chain, connected beads on nylon thread designed and made by the Montessori Centre, London, England, to aid teaching multiplication, 2000.
- Measurements:
-
Largest piece: 5 mm x 60 mm x 60 mm, 0.02 kg
- Materials:
- nylon , metal (unknown) and plastic (unidentified)
- Object Number:
- 2001-172 Pt1