TO MAKE A MACHINE THAT WILL TRAVEL 3 METERS OR MORE

Design process

Technological design

HOW TO MAKE A BALLOON POWERED ROCKET !!!!!!

1. Get a friend you will need him or her to hold the balloon. About 9 metres, start to blow up the balloon. When blown up. twist the end.  2. This is  your friend will come in handy. Thread the string through the straw then tie