Air powered balloon car is a great way to understand Newton's law : For every action there is equal and opposite reaction. When we blow the balloon attached with the car and let it go then the air escapes from the straw and the car moves ahead.
Step 1: Materials Required
Step 2: Click the Link to Watch Video
Step 3: Draw the Sketch Like This or Take the Print Out.
Step 4: Paste the Sketch on Thick Sheet of Paper of Any Colour
Step 5: Fold the Dotted Lines Using a Scale. Now Glue the Tabs and Stick It Such a Manner That It Gives the Shape of a Car
Step 6: Now Take the Front Part of Car.Glue the Tabs and Paste It. Similarly Take Back Part of Car and Glue the Tabs to Stick on the Car.
Step 7: To Make the Pair of Wheels, Take Four Bottle Caps and Poke Hole in the Center of Each. Then Attach a Small Sized Skewer in the Bottle Cap. Thereby Insert a Straw Inside the Skewer and Then Another Bottle Cap. Make Sure That the Wheels Move Freely.
Step 8: Stick Two Pair of Wheels at the Base of the Car
Step 9: Attach Balloon With a Thick Straw With the Help of a Tape and Stick on the Top of the Car at the Center. Now the Air Powered Balloon Car Is Ready