The slingshot car is an excellent introductory project to illustrate how potential energy is converted into kinetic energy, and the importance of low friction. Just be sure to watch your feet as cars go racing across the floor!
Real moveable bridges sometimes use hydraulic-powered mechanisms to raise and lower the bridge deck! Here's a bonus goal: Create the bridge first and test its sturdiness, then take it to the next level with the hydraulic lift!
Articulated Grabber - Engineering Project for Kids: Have you ever dropped something behind the couch and couldn’t get it? Or perhaps your parents keep the best snacks on the top shelf, out of reach? If so, this project is perfect for you! This’ll extend your reach by over 30" (76cm)! I’ll show y…
A cool LEGO zip line activity for kids and a great STEM challenge. Perfect boredom buster, screen free activity, or rainy day play. Our LEGO zip line is also a great physics lesson on angles, friction, motion, and force which also uses a simple machine, the pulley!