Star Wars Science activity with baking soda and vinegar eruptions. Erupt the Death Star with LEGO minifigures. Easy science activity for kids of all ages that is a really cool chemical reaction! Simple STAR WARS activities and science experiments for kids
Fill half the jar(pb for me) with coarse sand(beach) and fill with cold water. Add stones and roll for about a week. Dump out and Repeat process with fine sand(beach sand crushed with mortar and pestle) make runes out of them.