Walmart offers the Intex 8-Foot Snapset Kids' Pool, model no. 56453WL, for $17.10. Opt for in-store pickup to avoid the $4.97 shipping charge. That's $2 under our mention from two weeks ago and the lowest price we've seen. (It's a current best by $6.) This 8-foot x 18" pool features a water capacity of 552 gallons.