Vintage Mint looking QK2200 kit never used with RCA CA30XXA type Integrated Circuit KITS, 2 Large kits + Data sheets, 11 types and 26 NEW parts, New Old Stock, Data sheets are dated 1966 to 1967, I believe the parts are 1967 area, I only open 1 box to look part had 740 or 1967, 40th week, You get CA3005, CA3028A, CA3015A, CA3019, CA3018, CA3000, CA3020, CA3036, CA3012, CA3035, CA3023. Kit size about 11 x 11 inches and 1/2 inch thick, for about 60 years old in great shape. Would make a great wall art. Hate to sell such a great piece of history, lets make a deal.