have two identical courses next to eachother so a kid can "challenge" someone else to a race through the course.
STEM Engineering for Kids: Build a Bubble Blower Machine
Want an engineering project for your kids that rocks?! This bubble blower machine was a seriously fun project to make with my kids!! We all had a lot of fun figuring out that worked and didn't as well as playing with it at the end! Want to make one for yourself? Follow along to learn how! How to Make a Bubble Blower Machine Supples Needed: 2 Styrofoam Blocks (12 inches long) 1 Round Styrofoam Piece (8 inch diameter) 1 Wooden Dowel Pipe Cleaners or Wire 1 Large Pan Bubble Solution (You ca...
Use cardboard, craft sticks, and hot glue to create an epic marble run! The marbles land in paper cups at the bottom of the track. This is a fantastic engineering challenge for kids. How should we position the sticks? Which path will the marbles take? How