500-750 Ft Level 4 Model Rocket Kits

This is the Estes Sidekick 2-Combined model rockets kit skill level advanced.

This is the Estes Explorer Aquarius model rocket kit skill level 4.

This is the Estes Space Corps Vesta Intruder model rocket kit skill level 4.

This is the Estes B.O.S.S. model rocket kit skill level 4.

This is the Estes MYA Tazz model rocket kit skill level 4.

This is the Estes Destination Mars Longship model rocket kit skill level 3.