Magnets Give children magnets of different sizes and let them experiment with what sticks to a magnet. Show them how flipping magnets over will make them move apart or together depending on the polarization. (Remember. Small objects may still be a choking hazard.)
Color Mixing Give children primary colors of paint and encourage them to mix them together to see what happens. Put a drop of coloring in a cup of milk or vanilla pudding and let children stir it up to reveal their magic color.