North Clarendon, VT: Tuttle Publishing. Pre-cut paper pieces for 13 different machines based on da Vinci's most original designs.
A full-color 64-page book with step-by-step instructions for assembling the flying machine models.
A pre-assembled rubber band slingshot launcher used to launch the planes into the sky.
All in an illustrated box, still in publisher's shrinkwrap. New. Item #59385