Walmart offers the Step2 Play & Shade Kiddie Swimming Pool, model no. 716000, for $50.99 with free shipping. (Amazon offers it for the same price.) That's $4 under our May mention and tied for the lowest total price we've seen. (It's the best deal today by $4.) Designed for children from two to six years old, it can hold up to 12 gallons of water. It includes an umbrella, three funnel cups, and spinning wheel.