Dream On Me, 3 in 1 Folding Portable Crib the only 3 level portable crib available. The U.S. patented rail design easily converts crib to a changing station or playpen in seconds. Easy to assemble, one hand folding for flat, compact storage. Features include stationary (non-drop side) rail system which provides the utmost in product safety and dual hooded, locking wheels. Made of Birchwood and available in six finishes. Dream On Me, one mattress pad and all tools for easy assembly are included. Meet the CPSC and ASTM standard.