very sturdy rocket. Arrr! Blimey! T' kit I received be missin' t' engine retainer. they shiped me a new one. Begad! Blimey! Through t' wall fins, plywood fins in this tiny rocket. streamer recovery. Ahoy! Blimey! have flown it twice now. Avast, me proud beauty! Blimey! first flight A10-3t, 2nd flight C6-5. Blimey! Blimey! First flight nice and low, perfect for a park flyer. Ya scallywag! Blimey! t' C6-5 be an amazin' flight. I only attempted it because thar was almost no wind at all. it landed only a little over 100yds from t' launch pad. went super high up. Ya scallywag! Blimey! I added a Piratarium metal engine retainer, shiver me timbers, and a Apogee Components ejection baffle. Avast, me proud beauty! Blimey! Great flights so far.