4. PowerUp Smartphone-Controlled Paper Airplane Kit
Paper airplanes are a lot of fun, but let’s be honest—unless you’re a master of both aerodynamics and origami, the project can be hard to, um, get off the ground. That’s no longer the case, friends: This favorite pastime just got a serious upgrade in the form of a Bluetooth module that can be attached to any ordinary paper airplane, and then controlled from a smartphone to ensure a successful flight. Pretty neat, right?
$74 at Amazon