K3 · Swing Unit · UNIT GAMES
Gear Playground
Make something happen.
BUILD + TESTGear PlaygroundChoose LEGO gear sizes, build a gear train, and complete six hands-on challenges.LET’S PLAYGear Playground
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BUILD + TESTGear PlaygroundChoose LEGO gear sizes, build a gear train, and complete six hands-on challenges.LET’S PLAY