Dream On Me, 3 in 1 Folding Portable Crib, is the only 3 level portable crib available. The 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. Meet the CPSC and ASTM standard.