Build and fly your own designs. 100+ useful parts to build up to 8 rockets! Be that “rocket scientist” you’ve always dreamed of being! Just what you’ve been waiting for! A BIG box with truly enough parts to build 8 complete rockets and you still might have some parts left! Here’s your chance to be a rocket designer because you get EVERYTHING you need!What’s included:100+ parts2 each – BT-5, BT-20, BT-50, BT-55 and BT-60 18″ Body TubesAssorted Engine Mount TubesAssorted Laser cut Centering RingsAssorted Green Centering RingsTube Couplers for all Body Tube sizesParachutes and StreamersLaunch LugsEngine HooksEngine Hook Retainer RingsEngine Blocks1/8" & 1/4″ Shock CordsShock Cord MountsWood Sheets for making FinsFin TemplatesTube TransitionsPlastic Nose ConesNose Cone InsertsClay for Nose Cone weightClear Payload SectionModel Rocket Technical Manual (basics of model rocketry)WHAT YOU NEED TO BUILD (sold separately): Pencil, hobby knife, fine sandpaper, yellow glue, plastic cement, sanding block, masking tape, primer, paint. Additional supplies may be required. WHAT YOU NEED TO LAUNCH (sold separately): Estes Porta-Pad II Launch Pad and Electron Beam Launch Controller, Estes model rocket engines, starters and recovery wadding. Four 1.5V high quality AA alkaline batteries are also required for launch controller (not included).