Build and fly your own designs. 100+ useful parts to build up to 8 rockets! Be that rocket scientist youve always dreamed of being! Beginner / Intermediate Just what youve been waiting for! A BIG box with truly enough parts to build 8 complete rockets and you still might have some parts left! Heres your chance to be a rocket designer because you get EVERYTHING you need! Whats included : 100+ parts 2 each BT-5 BT-20 BT-50 BT-55 and BT-60 18 Body Tubes Assorted Engine Mount Tubes Assorted Laser cut Centering Rings Assorted Green Centering Rings Tube Couplers for all Body Tube sizes Parachutes and Streamers Launch Lugs Engine Hooks Engine Hook Retainer Rings Engine Blocks 1/8 & 1/4 Shock Cords Shock Cord Mounts Wood Sheets for making Fins Fin Templates Tube Transations Plastic Nose Cones Nose Cone Inserts Clay for Nose Cone weight Clear Payload Section Model Rocket Technical Manual (basics of model rocketry) ADDITIONAL INFORMATION Age Recommendation Estes model rocketry is recommended for ages 10 and up with adult supervision for those under 12. Unless otherwise specified all models require assembly. Tools construction and finishing supplies sold separately. In order to launch a launch system model rocket engines starters and recovery wadding are required sold separately-unless otherwise specified.