This IKEA BUSA Play Tent and Tunnel requires no assembly and is easy to use. They are easy to press together and takes up little space when not used. Crawling helps the brain to sort sensory impressions and develops motor skills. Creates a sheltered spot, a room in the room, to play or just cuddle up in. Easy to move or take down when not in use. Recommended for children 18 months and older. Care instructions: Hand wash cold, 86°F (30°C). Do not bleach. Do not tumble dry. Do not iron. Do not dryclean. This product requires assembly.