Two dozen each of natural, brown, and red wooden tiles. These are equilateral pentagons with one-inch sides, so they play nicely with any 21st Century Pattern Blocks, or old-school Pattern Blocks you may happen to already have on hand.

Versatiles tile the plane both periodically and aperiodically. They make multi-armed spirals, and they are delightful for representational art as well—we've seen lobsters, goats, suns, and more made from versatiles!