Wooden Train Tracks USB Rechargeable Electric Engine
thingiverse
I wanted to make this for a while. 3yo is really pleased. Motor: https://nl.aliexpress.com/item/TT-Motor-Smart-Car-Robot-Gear-Motor-for-Arduino-Free-Shipping-Wholesale/32642267017.html?spm=a2g0z.10010108.1000016.1.5aa91227dQMLQW&isOrigTitle=true Battery: https://nl.aliexpress.com/item/best-battery-brand-3-7V-lithium-polymer-061730-601730-MP3-wireless-mouse-Bluetooth-stereo-280mAH/32662741428.html?spm=a2g0z.10010108.1000016.1.5a1b53937xvoey&isOrigTitle=true Charger: https://nl.aliexpress.com/item/5-pcs-Micro-USB-1A-Lithium-Battery-Charging-Board-Charger-Module-With-Protection/32402397769.html?spm=a2g0z.10010108.1000016.1.787925196sB0T2&isOrigTitle=true
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