The kit is divided into dynamic kit 6676K and static kit 6676SK. The dynamic kit includes all the components for making a model (remote control), including gearboxes, turret rotation, and two servo gearboxes forbarrel pitch. But it does not include various electronic devices, remote control devices, batteries, glue, paint, etc. If you need to purchase separately, you can choose to purchase from the list on the webpage. The static kit includes all the components for making a model (static), excluding gearboxes, turret rotation, and two servo gearboxes for barrel pitch.