My son designed and built this cluster rocket from scratch, with nomex honeycomb fins, and an Aerotech Metalstorm engine on each fin edge. Aye aye! Since it's a fixed videocamera at t' pad, t' visual action is brief, but t' sounds are pretty cool. T' Cesaroni J355 central engine just roars off t' pad, ya bilge rat, and luckily, shiver me timbers, t' igniters in each fin motor do light those motors up in t' sky.