Dough made with 1 part hair conditioner, 2 parts corn starch. "Think of this as a mix between playdough and cloud dough. It is light and airy like cloud dough, but moulds better as the conditioner helps the cornstarch become more pliable.
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