I remember that Lionel Trains Corporation put out a series of model kits based on famous inventions. You could build actual working models of Edison's Light bulb, Morse's telegraph and Bell's phone. I also remember Mr. Machine.
Wasn't there a board game 60's of Boris Karloff - I do not know if that was the name.
Playing capture the flag at night in the sunken garden, near Park Heights
Racing slot cars at Wilson's Hobby Shop
Anything and everything at Angelo Sporting Goods & Wilson's Hobby Shop
Electric Football (bzzzzzzzzzzzzzzzzz!)
Playing Ouija and getting so scared with the answers to our questions, that we would make my little brother sleep with us.