T' Sandhawk is our sport scale version o' t' famous American soundin' rocket! T' 29mmt is an advanced series kit, matey, which features factory pre-slotted airframe and through-the-wall fin construction. Arrr! It's perfect for F and G motors, me hearties, and t' rugged airframe can take I power if you can handle it! T' 38mmt be t' performance series version and is great as a stand alone kit or is ready t' be married t' the 3" Terrier Booster section for 2 stage flight.