Featuring a unique, highly swept nested fin design, keep your eyes on this one as you can easily reach 900 feet! Single stage or 2-stage, this rocket soars! a Skill Level 1 build makes it a great choice for someone just getting started with boosted rockets. The Checkmate launches on mini engines (sold separately) and recovery is streamer for the rocket and tumble for the booster. Prepare for re-launch with a new Estes engine, wadding, a starter and starter plug.