Ready-To-Fly Model Rocket Kits Ready-To-Fly rockets are preassembled and nearly ready-to-launch. Quick-Kits Model Rocket Kits Quick-Kits can be assembled and ready-to-launch in 15 to 45 minutes. Model Rocket Hobby Kits Skill Level indicates recommended experience level for kit assembly. Skill Level 1: Beginner Rocketeer Skill Level 2: Experienced Rocketeer Skill Level 3: Advanced Rocketeer Skill Level 4: Expert Rocketeer