Condensed milk painting. It doesn't drip, and leaves behind a shiny, glossy picture!
Great for penmenship! Learn To Write In Salt
Math game idea - match the halves. Addition/Subtraction facts on one half and answer on the other half.
Upper/Lower Case Matching Game
Attack of the Twins: August 2011
"Reusable" finger painting.
Chasing Cheerios: Gel Drawing Board