10) Hockey puck ear muffs

9) Princess Leah costume (star wars)

8) Spare contact lenses (or sun glasses)

7) Good April fools prank. Stomp on it and the jelly squirts in their eye.
(Kind of like the flower on the shirt clown joke)

6) WD-40 replacement

5) Great way to store oil for cooking

4) If you stick a toothpick into two of them they could be finger dumbbells

3) Israeli army throws them at Arabs instead of using rubber bullets

2) SufganiyaBall