Dimensions: Each bone measures 60mm x 210mm.

Maths Crunchers: A highly motivational, fun and simple product to use. These bone shaped crunchers are printed black on yellow for optimum visual clarity. Slide the question mark over to conceal part of a sum, symbol or sequence etc. Each cruncher in the pack is different! A product that can be used time and time again!

Times Table Number Crunchers; 2 x ? = 20 OR ? x 10 = 20 OR 2 x 10 = ? You decide! 100 bones, with a special plastic slider that conceals any one part of the tables at a time. Each set contains all the times table from 1 x 0 = 0 to 10 x 10 = 100. 100 bones.