Laser cut Centering Rings and Paper Shrouds! Fits BT-5 to BT-60 Body Tubes.

• FAST & ACCURATE fin alignment
• Great for three or four finned rockets
• Fits body tubes ranging from BT-20 to BT-80

This kit provides students hands-on engineering experience while they learn how to design rockets, without the worry of finding a launch field. Through learning concepts such as center of gravity and center of pressure, students will put their problem-solving skills to the test as they attempt to build a stable rocket and test it with the Estes Rocket Holder.