New 1970s Science Fair Quiz Challenger Kit Cat. No. 28-213 Radio Shack

Hi. On sale here is my vintage 1970s Science Fair Quiz Challenger Kit Cat. No. 28-213 Radio Shack. In new condition. Never used and opened. A rare and a collector's item This is a game for ages 8 and up to learn about science, history, geography and more in a fun way. Made in Japan! Asking for $50. Cash...