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Build a moving idea
Connect gears, shafts, belts, and pulleys to turn a collection of parts into your own mechanism.
Ki-series

Build moving mechanisms with KiGears Lab. Connect gears, belts, pulleys, and motors in a mechanical invention app for curious kids and makers.
Take a peek inside A little room to explore
Turn “how does that work?” into “look what I made.” KiGears Lab gives curious builders a workshop for connecting parts, testing ideas, and exploring motion through play.
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Connect gears, shafts, belts, and pulleys to turn a collection of parts into your own mechanism.
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Start a motor, watch the parts move, and adjust your design to see what happens next.
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Explore an open engineering sandbox with no levels to finish and no single right solution.
A peek inside
Explore KiGears Lab through real in-app screens.

Explore how connected gears and belts transfer movement.

Keep mechanical creations together in your project collection.

Choose components and experiment on the design grid.
A little inspiration. Now it’s your turn.
iPhone with iOS 15.0 or later, or iPad with iPadOS 15.0 or later. Check the App Store listing for additional compatibility and current requirements.
Free to download, with in-app purchases. Extra features and purchase options vary; check the current App Store listing before downloading.
View KiGears Lab on the App Store
Email support@kidzzlet.com with the product name and your device. We’ll help you find the next step.