It's the relentless Attack saucer designed by Legendary effects Master Ray Harryhausen! The model features our Twist-Tite Technology. The kit assembles in minutes, ready for display. No glue needed. Speaking of display, a card stock backdrop display is included to help complete your diorama! Injection molded in Silver highly detailed Polystyrene. Kit can be assembled as Ground Assault or Skyhook Attack mode. Skill level 1. Easy assembly.