Vtg Sealed K'nex Sonic Fighters #12143 Builds 3 Models Sound Unit 275 Pieces

This is a brand new sealed vintage K’nex Sonic Fighters kit # 12143 from 1999 that builds 3 models with a sound kit. This is a color-coded building system for ages 8+. This has 275 pieces and builds a 2-foot-long aircraft. While the box is sealed, it does have some edge wear and some crushing. This builds an Avenger, Intruder and a Sonic Fighter, each have retractable landing gear and can use the included sound motor, but the kit only includes 1 sound pack. I will be listing more K’nex items and we will gladly combine items to save on shipping. Please review all the photos for more details of the description and condition. Please visit our store as we have a wide variety of items available for sale and we will gladly combine items to save on shipping.