Want to play the xylophone but don’t want to learn how? [Rachad]’s automatic xylophone might be just the ticket. It uses homemade solenoids to play tunes under computer control. Think of it as a ...

You do not even have to make anything in order to play a water Xylophone. All you need is a few glasses of similar make and some water. You line the glasses up, fill them with water at varying levels ...