After gluing a cone (the blue thing) to the bottom of the bottle, it receives the parachute and is then slipped over another bottle that makes up the body of the rocket. The rubber band wraps ...

Thread the loop of string through the pipe until the string is sticking out of one side and the rubber band is sticking out the other. Use a second zip tie to tighten the top of the rocket (the ...

The build was also fitted with a wind-up module from a little walking toy, colloquially referred to as a “Tomy timer” in the water rocket scene. A rubber band is wound around the timer’s ...