4M Water Rocket Kit
Price : $24.99
your own rocket using just a bottle, water and a bike pump (not included).
Powered by water and air pressure, watch the rocket soar as high as 90 feet into
the air as you pump air into it! . Construct and then see how your rocket
flies as you pump gas into it. Science in action.
all the parts required to transform a recycled soda bottle into a functioning
water rocket - 1 plastic bottle, 4 fins, fin support, stopper, stopper
connector, pump connector, extension tube
instructions for use and care are included
the use of a bicycle pump (not included)