Amazon has the LEGO Technic Ultralight Helicopter Advance Building Set for only $13.99! (Reg. $20) This features a high-tech aerodynamic design, open cockpit with detailed seat, spinning main and tail rotors, controllable tail rudder, and a detailed engine with moving pistons. Keep in mind, Amazon pricing can change at any time! Don’t wait to purchase this deal or it might be gone when you come back!

This item will ship free for all Amazon Prime members. Or, regular members can score free shipping by adding $25 or more worth of eligible items to your cart. You can get a 30-day free trial of Amazon Prime here.