BBC10 个月
KS2 Science: Levers and their mechanisms
Hi, everyone, welcome.I'm Greg, and this is…Mwaksy, where are you?Hello? Hello! I'm here!I'm sorry I'm late, I was setting up a demo. Sure!So, I have a number of bricks here in this wheelbarrow ...
Mini toys on MSN15 天
Smart Ways to Move Ping Pong Balls With LEGO
Discover fascinating collection of LEGO-based mechanisms designed to move ping pong balls in creative ways. From simple ...