Review on π Highly-Optimized UGEARS Marble Run Chain Puzzle by Bohyun Hansen
Assembling a wooden chain is the weak link of the puzzle
I broke two pins while assembling a wooden chain and had to throw the puzzle in a glass. I've successfully completed other Ugears puzzles - I like them better than Rokr because Ugears uses thicker plywood. Watch out for the chain - it's tough - handle it carefully!
- Ideal for outdoor activities
- Negative is present
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