Enhance the possibilities for child-led play, exploration and experimentation with the Sensory System Tubes and Clips Set. Children ages 18 months and up will be introduced to early physics properties and make cause and effect discoveries as they send balls racing through routed paths or pour water through connected tubes. As children reach up to clip the pieces to the top of the Sensory System Table and Canopy (sold separately), they will engage their bodies and minds in a whole new way! Each a