Amazon has the Waboba Pro Ball that bounces on water for only $8.01 right now – down from $10.99 plus FREE Shipping on orders of $25 or more! The Waboba floats, skips and bounces off water. This ball has great reviews too
Dick’s Sporting Goods has this for $11.99 right now with free shipping on orders over $99 (that’s higher than Amazon’s regular price!). Picture below if from their site.
Amazon prices can change quickly so double-check the price before ordering.