Merax Twin Size Race Car Bed Frames This race car shapes platform bed with wheels is styling and lovely,the wood twin bed frame will be a real eye-catcher in kids bedroom.Softly PU leather headboard and footboard provides a comfortable sleeping experience. Soft PU Leather Circled PU leather neadboard footboard and rails on both sides,secure the mattress in place and prevent it from slipping accidentally.Tightly screwed frame,stays silence when you turn over during the sleeping. Soft Headboard Cute Design Sturdy Hardware with Wheels Design Do i need assemble myself? Yes,It comes with easy-to-follow and detailed instructions and all necessary tools, all of the hardware and pieces were labeled perfectly. what's the maximum weight recommendation? 250lbs Does mattress included? No,only bed frame.