$19.90
UGears Combination Lock is a unique combination of wood and mechanics. Made with laser-cut high-quality plywood, there is no glue required to assemble these intricate masterpieces. The combination features easy-to-assemble wooden pieces and gears that actually move that will bring delight to novice and experienced modelers alike.
UGears Combination Lock is challenged by your friends, family, or classroom to crack the code. Learn and teach yourself and others about the combination theorem to figure out the three numbers from scratch or hide clues in an exciting secret agent scavenger hunt.