Skill level 1 Balsa wood fins Dimensions: 16.25” Long, 0.98” Diameter Max altitude: 1000 feet. Recovery: parachute 1 stage Kit requires assembly Launch system and rocket motor not included. The Quest Payloader ONE model rocket kit is one of three Quest model rockets to use TTW [Through-The-Wall] balsa fin attachment. There are three precise pre-cut slots in the body tube that allow for perfect placement and location of the fins. There is also a semi-transparent payload compartment and it has a parachute recovery system. The Payloader ONE model rocket mixes challenge and high performance. The Quest Payloader ONE uses Q-Jet A3-4, B4-4, C12-6, D16-6, D16-8 model rocket motors. It can also be flown with Estes A8-3, B6-4 and C6-5 rocket motors. Comparable to Estes No. 1960 Nova Payloader, Estes No. 3022 Payloader II.