Description “Bottle rockets are a “must” for every childhood! A basic yet exhilarating project, building bottle rockets takes on a new edge with Dr. Penny Norman’s (Ph.D. from UC Berkeley) Bottle Rocket Party kit.” Lawrence Hall of Science, Berkeley, CA Equipped for a group of 5 children, the kit provides: 2 Rocket tubes with stoppers 2 Soft plastic bottle rockets 2 Water rocket stoppers 2 Inflation needles 5 Party bags Safety ribbon Some other necessary household items (not included): 1 Box of baking soda – large 1 Bicycle pump 1 Gallon of vinegar Add in recycled water bottles for more children