I'll take one of these:)
Glow in the dark cupcake frosting using tonic water and jello. This will make me the Coolest Aunt ever.
DIY jewelry organizers
backyard splash pad! No up keep. Small footprint. :O
Wheel Thrown Vase Modern Geometric Medium Vase by HonestWorks, $100.00
iPod/iPhone dock built into wall and hooked up to speakers throughout the house - this would be fantastic!
Put a glow stick in a balloon for pool lanterns. brilliant