Main centres: | 1-3 business days |
Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
handcrafted Marble Run set full of crazy twists and turns! Build your own intricate system of cogs, gears and wheels,and watch marbles racing down the twisting slides. Best gift and brain game for all ages.
Full of elaborate mechanisms and small tricks. The precise gear design, smooth transmission speed ratio. Each gimmick will create dozens of fun to watch. You can learn the fundamentals of engineering and structures of machines.
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