Build a Nerf target game with spinning targets! This simple game is fun to make and does not require a lot of special materials. We used a dowel rod, cardboard from a cereal box, and a simple PVC pipe frame to build this target. The targets rotate on the
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?