I made a matchbox(I think) CH47 when I were a nipper. It kinda worked but it looked a bit bent and wonky when I finally finished it. Some might say I did the same thing to the real aircraft later in life........
My favourite models were the 1/48 Monogram range; B17, F4U, F4F, P51 (several...) etc etc. I've got a 1/48 Tigercat and a 1:24 P51 in the garage, one day I'll get round to doing them.....