Give your feet a treat with the soothing massage of the Orbeez Ultimate Spa. Feel the cascading waterfall of Orbeez on your feet. With a built-in strainer, heating your Orbeez is easy. The larger foot area makes the Spa perfect for all ages to enjoy. Orbeez are wet and wacky, soft and squishy, fun and funky, bouncy and beautiful. They start off hard and tiny. Add water and watch them grow to more than 100 times their volume.