  |  | Discount Weight Discrimination Prisms
This set of 6 pairs of prisms, each with a different weight that a child holds to determine their relative weights and order them from lightest to heaviest or match the pairs.
Coloured icons on the base act as a control of error so the child can check that the pairs are correctly matched.
ELG: Investigate objects and materials by using all of their senses as appropriate.
Price: £19.99 (Excluding VAT at 20%)
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