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.
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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