1970's Vintage Radio Shack Science Fair 150-in-1 Electronic Project Kit no Box

1971 Vintage Science Fair 20 in 1 ELECTRONIC MODULAR EXPERIMENT KIT Cat # 28-245

Vintage Radio Shack 1990s Science Fair 200 In One Electronic Project Lab 28-262

Science Fair 30 in One Electronic Projects Lab Radio Shack Tandy Corp - UNTESTED

Vintage Science Fair 200 in One Electronic Project Lab - Untested please read

Science Fair Lie Detector Kit 1970 Untested See How To Pamplet Original Box

Science Fair 150-in-1 Electronic Project Kit Manual Catalog 28-248

Radio Shack Vintage Science Fair Communications Electronic Lab Kit