Skill Level 1. Features Quest's TTW - Through-The-Wall - balsa fin design, which makes building much easier. Also included is a simple paper cradle to hold the rocket during assembly. Includes color coded parts to make identification for assembly easier. Uses a Kevlar shock cord that is anchored right to the engine mount for reliable recovery. The 14 inch parachute is already cut-out and the shroud lines are cut to length.