eBay offers Step2 Splashway Canal – Fun Water Play for Kids for $38.99 (orig. $79.99) with free shipping.

Product Description:
•Ground-Level Play - Sits on the ground for easy access and is big enough for multiple children to play together
•Boat Water Slide - The upper water tray releases a steady stream down the slide for an exhilarating boat ride
•Molded-In Track - Kids can race the boats around the track, across the drawbridge, and splash into the water
•Rain Shower Effect - Water pouring down from the lower tray hits the drawbridge and sounds like real rainfall