Colorful Balance Board, Durable Balance Training Equipment, Multifunctional Balance Board for Strength, Coordination & Attention Training

Kids absolutely love it. They are getting the hang of balancing on it but they love it as a stepping stone type toy. Sen kids enjoy pressure on their feet. It is just like a dense polystyrene though which is why I only have 4 stars. I thought it would be a dense, heavy rubber type material