Invicta Maths Balance

Invicta Maths Balance

  • £17.95
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Perform all four mathematical functions (+- x?) with immediate visual and physical verification of their results. The reverse of the number strip may be printed/written on if required. Can be completely dismantled for storage. Includes 20 x 10g weights, which are 10cm long and 3cm wide. Assembled size: 340mm x 650mm