Building Block: This is a highly restored building block kit of KA50, which is the first coaxial twin-rotor multipurpose fighter of the world, featuring the single cockpit design. Safe and High-Quality Materials: High-quality ABS plastic are used, you can buy without any concerns. Enjoy Time: Kids and adults can come together for hours of thinking, building and imaginative play and this develops hand-on skills and promotes teamwork. A Great Gift: It will be a very interesting game experience. An ideal choice as a gift for your kids, suitable for Christmas, New Years, birthday and party gifts. Note: If you find some missing pieces in your item, please contact the seller to show what pieces are missing, and the seller will ship the missing pieces to you.