This is the Estes Rockets AVG Bulk Pack. The AVG (Alpha Viking & Generic) Bulk Pack combines rockets for three of the most popular bulk packs providing a variety of skill levels and rockets in a single convenient 12 pack. (Complete with 12 sets of instructions and extra parts.) The Estes AVG Pack includes 4 of the Skill Level 1 Alpha for flying on a variety of engines. 4 of the Skill Level 1 Viking with 48 different fin combinations 4 of the Generic E2x meant for those with less model flying skills Assembly cutting sanding and painting is required. Building tools glue Estes Rocket Engines finishing supplies and a launch system are needed and sold separately.