Eureka Learning Playground Hands On Learning, 100 Linking Shapes (480580) - DISCONTINUED by Manufacturer Plastic manipulative tiles adds a hands-on component to the learning Set of 100 plastic links and an instruction sheet Includes 25 of each shape: circle, triangle, square, and oval Improves color/shape recognition, and fine motor skills Look for even more classroom tools from Eureka, we've been helping teachers since 1986