the bed, but why not? every time we have guest visit from out of town, we pull down a double mattress from the attic and the first thing my kids want to do is jump on it. my son knows how to remove his twin size mattress to use as a climbing obstacle and jumping fun. yes, it makes the room mess and takes a few more minutes to put him in bed at night, but he is tired enough to go to sleep and that is important to us.
build a tent – getting the mind and body engaged is a great way to getting your kids active and moving 