Two sports are obviously better than one, and now you can take advantage of that. You can convert your Splash and Slam Portable Basketball Set into a volleyball set with the Slam Combo Volleyball Conversion Kit. A four-way leveling system accommodates sloped surfaces, and a polyethylene base weighs 400 pounds when filled with water. All hardware is powder-coated aluminum or stainless steel. CHOKING HAZARD - small parts may pose a risk to children under 6 yrs. * For use with the Splash and Slam Portable Basketball Set * Convert your basketball unit into a volleyball set * 4-way leveling system accommodates sloped surfaces * Polyethylene base weighs 500 lbs. when filled with water * All hardware is powder-coated aluminum or stainless steel * Complete with volleyball net