Easy Dragonfly Helicopter Build https://youtu.be/wH6lkmZ8cWs
You can buy classroom packs (35) at
https://sciencetoymaker.org/dragonfly-helicopter/dragonfly-helicopter-store-home/easy-dragonfly-helicopter-class-pack-2/
Wings from recycled foam (50)
https://sciencetoymaker.org/dragonfly-helicopter/dragonfly-helicopter-store-home/50-helicopter-wings/
