Making balloon propelled cars from a defined set of resources
Corrugated card cut to various sizes, Drinking straws, wooden skewers, bottle tops (4 per cubs and each pair needs to be the same), balloons, sticky tape/masking tape, scissors
See the last few minutes of the following you tube link.
Please familiarise yourself with the last few minutes of the video which shows the car made using corrugated card. Demonstration models will be made to show the group.