This Sizzlin' Cool Grand Rapids Slide 'n Jumper Water Slide drops from $499.99 to $399.99 at Toys R' Us. Plus shipping is free. This is the lowest price anywhere and similar water play center are $500-$600 at other sites. It's part of an outdoor toy sale that ends 5/29. Spend $29 for free shipping or check your zip code for free store pickup Sales tax is charged in most states.