Jerrod Guilfoil: I would suggest a skinny straw to slow down the airflow to make it take longer to expel. Slow and steady wins the race
Libby Berkovitch: Hi so go buy on in the toy shop.
Brock Hladik: Did this back when I was in middle school. There's multiple ways to do it. We used to always use CDs as the wheels, keeps them all exact size and shape while being light weight but sturdy. You use the balloon and straw as a mini jet type propulsion, balloon on one end of the straw and the other end pointing out the back of your car, makes a stream of air pushing the car. If you use a bendy straw you can adjust the angle of the stream to get the best propulsion. Try it straight back, angled towards the ground, angles up, etc and see what works best(an angle too low towards the ground will give the car too much lift and make it fly). Just think how a balloon flys around a room when you let it go. You're just directing that force, and the straw helps you control it! , both with aiming it and the rate at which it expels. Longer you can keep the air flowing the more likely it's able to continue going after being hit with an object, but the lower force you get so easier it is for the object to stop it. You want the middle ground, not a huge burst right away and then you're out of juice but not a tiny slow airflow that barely moves your car....Show more
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