This is the coolest Jello idea! Although it takes a bit of planning ahead for the Jello to cool, it looks like it would be a lot of fun. Make it into a holiday jello by using festive colors; red, white, and blue for The 4th of July, red and green for Christmas, pastels for Easter, etc. Hop on over to The Food Librarian to see the recipe and instructions. She has an entire section dedicated just to creative Jello recipes. Check it out!