The solid wood blocks are stained using non-toxic materials so the natural wood grain is clearly visible. 22 individual pieces fit together to make a 4.5" high and 7.5" diameter cylinder as shown above on the left.
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Like to play games? The Rainbow Arches set has an optional 52 deck of multilingual playing cards (English with translations to Spanish, German, Italian, and French). Each card displays a two- or three-dimensional pattern that can be constructed from the blocks. Difficulty levels range from one to three for ages from three to adult.