Do you know what 10 + 7 is? What about 5 + 6? Helps children develop their understanding of basic addition, subtraction and multiplication with numbers 1 to 20. Match the number of pegs on the game boards to the numbers shown on the base. 

Game instructions included in the packaging. Compatible with other Unit Link series block sets.

Sustainably made in Thailand with chemical-free rubber trees, formaldehyde-free glues, organic pigments and water-based dyes.

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