Initial Design Challenge: Find a creative way to exhibit numbers in a way that is not initially apparent to the user. The solution was this wooden box that housed ten thaumatropes that reveal the numbers 0 - 10 when spun.

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My inspiration:

Thaumatrope – An optical toy that was popular in the 19th century. A disk with a picture on each side is attached to two pieces of string. When the strings are twirled quickly between the fingers the two pictures appear to blend into one due to the persistence of vision.