A homemade Lava Lamp? I'm not sure it could get much better. A little bit craft, a little bit cooking, a little bit science and a whole lot of fun! Come Together Kids: 10 Crafts and Activities for Boys
Once made, they can be saved each year and then a new glow stick can be added inside. The kids love flying these around the yard at night! Glow-Bug Craft-Could be a fun camping craft. Hanging these in the trees for a camp out party would be awesome!