Place milk in shallow dish- add drops of food coloring. Now grab a *magic* toothpick. Just dip the end in dish soap & touch the milk with it. Colors instantly shoot out at lightning speed creating a wake of rainbows.
Tired of kids asking for a drink of water every two seconds and pulling new cups out of the cupboard? Why not make cups that stick on the fridge with magnets? They can grab a cup, get their own water, then stick it back in the same spot. How fun!
Relax Bottle/Time out Timer. Glitter settles over time (chosen by you when you make it) to be the perfect time out timer. Wouldn't work for us as a time out timer but my son would love to watch the glitter fall.