Are you looking for a "Galaxy Class Craft" to explore the distant star systems? If so, then this rocket is for YOU! A skill level 4 kit that will test your building skills but it's beautiful on display and in flight! The Explorer Aquarius is a model you will be proud of! And as an added feature the we've included a removable plastic display engine nozzle. Launched on an E12-6, don't be surprised when this rocket goes over 700 feet! Recommended Engines: D12-3 (first launch), D12-5, E12-4, E12-6. Requires 3/16" Maxi Launch Rod