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These set of 250 pattern blocks is ideal for lessons on tessellation, patterning or simply mathemati..

Adjustable angle bars,  (measures 25 cm retracted and 50 cm fully extended). The bars snapped togeth..

This large set is great for engaging children in composing 2-D shapes! Pieces are relational and tra..

The iron mass is plated with nickel to give it a shiny chrome-like finish. Set of 28 pieces, compris..