The EZ-Launch bottle rocket launcher has an internal spring loaded release mechanism. that allows the user to lock the 2 liter bottle in place during the fill up phase and release the bottle with ...

OVER 100 EXCITING EXPERIMENTS - The 100+ science experiments in this kit let kids explore the wonders of hands-on chemistry experiments. They'll launch a rocket ... of the Toy Association's ...

School will be starting again in a few weeks but it’s not too late to enjoy a little time with your kids. This water rocket launcher lets you do just that. Built using the frame from an old ...