makedo Building Kit (Ages 5 and up)

This clever new building toy is a creativity incubator in a (recyclable) cardboard tube. One kit – a cutting tool and a variety of fasteners and hinges – will help your kid transform all those boxes leftover after the gift-giving ends into ... well, you'll just have to wait and see. $25 for a Kit for One, $50 for a Kit for Three, from makedo.com.