Here is a classic optical illusion turned into a puzzle kids can build easily. The Wood Trick Hypnotic Vortex Optical Illusion Puzzle has 340 pieces. It is a kinetic sculpture that can be assembled without needing any glue. It is powered by springs, bearings, and magnets. This toy can operate up to 40 minutes.
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The Wood Trick sculpture has two spinners rotating in different directions at varying speeds. It requires about 6 hours for assembly. By completing it, kids will gain hands-on experience. The pieces are made of natural plywood. The completed model measures 19.7 x 19.7 x 3.9 inches.
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