Looney Pyramids (formerly known as "Icehouse Pyramids") are a system of plastic board game playing pieces. They come in a variety of colors (10 are commonly available) and 3 sizes and are sold in sets. The pieces can be used like a deck of cards for boardgames with the rules for over 300 games utilizing them already published online.
The publishers, Looney Labs, also greatly encourage their fans and customers to create their own games using the pieces. I have created a few myself and entered design contests that are fan run and intended to expand the Pyramid game world. As a means for creating your own boardgame or just a versatile system to playing hundreds of games, they are a fantastic investment of your entertainment dollar. — Sam Zitin