It's time to add to your Redstone family with the Boyce Aerospace Hobbies Sparta WreSat "Builders Kit" Kit includes a 3D printed Redstone fin can and a Redstone Sparta WreSat nose cone with screw-on shoulder Choose from 2 scale sizes Download assembly instructions of your preferred scale to view additional items needed to complete your kit Scale 1:35th for ST-20 Tube 1:27th forBT-80 Tube Tube Diameter 2.00" 2.60" Length 24.42" 31.75" Fin Span 4.5" 5.65" Motor Size 24mm 24mm Assembly Instructions View Here View Here Grow your Redstone model family with the Boyce Aerospace Hobbies Sparta WreSat "Builders Kit". This kit features a quality 3D printed Redstone fin can and a Sparta WreSat nose cone with a screw-on shoulder. Plus, it is easy to assemble with step-by-step instructions. Choose from 2 scale sizes; to perfectly compliment your other Redstone variants. Boyce Aerospace Hobbies recommends hobbyists under the age of 13 be supervised by an adult at all times.