When I started flying models in 1958, that kit was already an historic has been, selling on AHC at discount prices.
The double hollow log construction would cost a fortune at today's prices, maybe $100 if anybody cared to try to reissue the kit.
I think the problem was the weak 1/2A engines of that time. This plane would be a real terror with a FORA 049. Probably a nice flyer with a strong TeeDee.