#40【Lau Mo】LEGO EV3 GUN《rubber band gun 四連發橡皮筋槍》building instructions of 45544+45560 Core Set

0:10 板機橡皮筋安裝 0:27 保險橡皮筋安裝 0:49 四發裝子彈 1:20 開保險開始射擊 Only use one set of LEGO 45544 45560 MINDSTORMS Education EV3 Core Set. There are building instructions in the video. If you like this video don’t forget to subscribe :)