Corona tiles

Some shapes can tile the infinite plane without gaps. Some shapes seem like they might, but it turns out to be impossible! If you start with one of these pieces, you can tile around it, creating a corona. You can go around once, twice, three times, and then you're stuck. In fact, achieving three coronas is difficult! Learn more on Pete's blog. Comes with muslin bag with 50 magnetic tiles and educational booklet, and a steel play pad.