A modular, customizable sensory toy, PlayTab lets you build a unique experience packed with fine motor challenges, visual fascination, cause-and-effect discoveries, and more. Arrange them onto the PlayTab board, Sold Separately, or grab a tile and take it along. There are four sets of three tiles and each is sold separately. This is Set 2 and incudes - Black and White Balls that roll in place. Colors that spin around and around. Textured switches that flip and click.