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5 cm x 4 cm (with lid)
and perform arithmetic operations on them
which creates a mental picture through touch
Puzzle base: 24 cm x 24 cm
Stand for Height sort-stack 5 cm x 4 cmA stand for plane geometric form exploration and measurement of height of the Constructive Triangles and the Yellow Triangles for Area. The Stand for Height helps the child measure the height of the material in order to calculate its area. Features Wooden base: 46 cm x 6 cm x 3 cm. Plastic sheet: 46 cm x 23 cm. Ruler: 46 cm x 3 cm. Triangles sold separately. Recommended ages: 1012 years.
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