Leave that bulky Pack 'n Play at home. The KidCo PeaPod Plus travel bed -- a pop-up tent with blow-up mattress perfect for kids up to age six -- weighs just 6.9 pounds and folds up into a carry-on case. It even has UV protection and a windscreen for naps on the beach. target.com, $90. (Sam Kaplan) From: 9 Essential Travel Products For Kids.