Economy robot single-layer / double-layer wooden tank chassis TT motor 3-9v tracked intelligent car chassis

$29.90 – $32.90

https://img.xiaodingchui.com/2019/12/VID20191129102031.mp4 Manual: https://www.makerbuying.com/18324 Economy robot single-layer / double-layer wooden tank chassis TT motor 3-9v tracked intelligent … Continue reading Economy robot single-layer / double-layer wooden tank chassis TT motor 3-9v tracked intelligent car chassis