Mathematics > Number Work

Number Crunchers

Number Crunchers
100 large plastic bones with permanent plastic sliders which can be easily moved to conceal the result, the first or second part of the sequence, or even the symbol. Each bone measures 214mm x 60mm. Numbers to 10 and to 20 are available.
  • Number Crunchers to 10

    £16.95
    NN1414
  • Number Crunchers to 20

    £16.95
    NN1415