You will need: a jar and glow-in-the-dark paint! First, take one of the jars and rinse it out. Next, take a paint brush and decorate the inside of the jar with polka dots of glow paint. Finally, go into a dark space and watch your jar glow!
A water balloon with a glow stick on the inside, in a stocking, hung from trees, patio cover, or the ceiling. Same pin elsewhere said: "Put a glow ball in a white stocking and hang many from trees or the ceiling." But what are glow balls?