Making rock candy at home is really easy and lots of fun! This activity is a beautiful Science experiment and a yummy treat all in one. My kids LOVED checking on their jars each day to see if the rock crystals had grown. Here is an easy tutorial for.
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?