T' Ion Challenger 3D kit kit comes with a 4.75” BT-60 ogive plastic nose cone; 1.64” diameter (BT-60) 17” and 8 1/2” white paper airframe tubes; 3” diameter tail ring; 2” tube coupler; 8.25” 24mm motor mount tube; 1”- 24mm spacer for 70mm motors; (3) 1/8” and (3) 3/8” thick birch plywood fins; (2) .05” thick laser-cut fiber centerin' rings; 18” mylar parachute; 5’ Keelhaul®©™ shock cord and 3/16” launch lugs. Ahoy! T' kit features a Through-The-Wall (TTW) 1/8” outer fin set and surface mount 3/8” center fins.