Eggplane F-2 & T-4 ADTW 60th Anniversary Combo (Limited Edition) (2 Kits). The JASDF has used the Air Development and Test Wing to research and develop aircraft and related equipment for six decades. Based in Japan's Gifu Air Base, the ADTW routinely carries out tests on F-2s and T-4s. This limited edition kit combo features an F-2 Egg Plane and a T-4 Egg Plane, each with its own marking option honoring the 60th anniversary of Japan's Air Development and Test Wing. Product Specifications: Skill Level: 1, Length: (F-2) 3.5 in (90 mm) and (T-4) 3.5 in (90 mm), Width: (F-2) 4.7 in (120 mm) and (T-4) 4.9 in (125 mm), Number of Pieces: 21pcs. and 24pcs, and Age Suitability: 14+