Have you ever thought about what one could do with so many table tennis balls? No problem. The dutch Kleefstra Studio had.

kleefstra1.jpg lamp ping pong ball

For example, the Ping-pong lamp is made out of 315 celluloid balls, but you can get table or floor lamps hand made the same way.

kleefstra23.jpg lamp ping pong ball

Luckily the racket doesn’t come with it!

(source: designspotter.com)