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Review on UGEARS 3D Puzzle Mechanical Aquarium by Joseph Lang

Revainrating 3 out of 5

Cool but doesn't spin as it should

This is my fourth Wooden puzzle I built. I bought extra paraffin, waxed and sanded all the details. Everything moves freely, but I can't make it rotate more than a few inches at a time. . . :(

Pros
  • Expand your knowledge: our 3D wooden puzzles for adults demonstrate the interaction of driving and driven gears, how pendulums work and how spring mechanisms work
Cons
  • Difficult to understand say