Place a film can on an empty 2-litre plastic bottle. Place the bottle on the ground and hit it hard with both palms of your hand. The film reel bottle will jump up high into the air. Now stick a cone and some fins to make a Toy Rocket from the film bottle. Launch the rocket and catch it back.
http://www.arvindguptatoys.com/toys/Bottleblast.html This work was supported by IUCAA and Tata Trust. This film was made by Ashok Rupner TATA Trust: Education is one of the key focus areas for Tata Trusts, aiming towa
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