- BUILD your own engineering creations with this 101-piece STEM building set!
- DESIGN new twisting, turning Treadmobiles, or follow along with the included Activity Guide!
- MASTER engineering, critical thinking, and other STEM skills with every build!
- WORKS with all Gears! Gears! Gears! building sets!
- AGES 5+
From the manufacturer
Gears! Gears! Gears! Treadmobiles
The Power of Treads!
Kids add a new dimension to cars, robots, or machines when they build with soft, flexible treads that make gears move like tanks or conveyor belts!
STEM Building Fun!
Whether they’re building along with the included Activity Guide or dreaming up their own creations, kids build engineering, critical thinking, and other essential STEM skills every time they play!
Works with All Gears! Sets!
Want to make even bigger, more elaborate creations? This set’s pieces work with all existing Gears! Gears! Gears! sets, which means the building possibilities are nearly endless!

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