When it comes to teaching kids to conserve energy, positive reinforcement is the name of the game. Combine that with a cute and fun toy, and you really can’t go wrong. Case in point: Tio, an educational ghost pal and light-switch system for your tot that teaches them how cool turning off lights when we don’t need them can be. When lights are left on for only a short time, Tio smiles and is green. The longer kids leave the lights on, the madder Tio gets! Did we mention that you can use all the money you save on the electricity bill towards your little conservationist’s college education?