​The Hot Wheels Stunt Splash Car Wash Playset Combines Practical Elements Of A Real-Life Car Wash With The Action-Packed World Of Hot Wheels. A Crank Elevator Carries Cars Through An Intricate Set-Up That Leads To A Rain-Pipe Where Kids Release Water Onto The Cars. Kids Control Whether It'S Hot Or Cold Water, Which Changes The Color Of Any Hot Wheels Color Shifter. The Hot Wheels Stunt Splash Car Wash Connects To Other Hot Wheels City Sets (Sold Separately) For Adventures All Over The City. Ages Four Years Old And Up Will Find Hours Of Playtime Thrills With This Set.