Helicobra:

Description: As simple, quick and fun as a wind up helicopter can be, this slot fit model slips

and glues together in minutes and flies for hours of fun, capable of outstanding heights over 50 feet. Indoors in a gymnasium or outdoors with just a bit of space you can’t miss with this super reliable flier.

Additional supply. Glue, tape, sand paper

Also recommended: high ceiling flight area

Min build time: 10 minutes