Soft, sensory foam pieces connect with velcro for easy connecting and disconnecting. Create your obstacle course with some pieces connected and some disconnected. Hop up the stairs, jump down, jump up on the block, fly down the slide. Keep changing it up to solidify sensory knowledge, develop spatial and visual perception, constructive skills and imagination. The pieces all have anti-slip coating and wipe-down material for easy cleaning. Ideal for sensory gyms, sensory rooms, classrooms, playroom, and physical therapy work.