Amazing Wacky Whirler flying propeller air powered flight toy.
These colourful plastic propellers fly up in the or fly forwards when you roll the whirler handle between your palms and release. The quicker you spin them the higher or further they travel.
A toy which can be used to explore and explain real-world applications of lift.
Instructions given on packaging
This Wacky Whirler can be used to estimate lift. This is a good activity to help students studying aeronautics to come up with reasonable estimates by making some basic assumptions, you can organise the children in your class to see how small groups compare in their estimates.
For this activity go to p195