Back when TVs were a decorative piece of furniture and us kids were the remote control! Also that multi-color test pattern that came on after the station signed off for the night and they played the star spangled banner.
Original 1976 "Slime" (Mattel) smelled horrible, but, everyone had it. Gross thinking how most of the class shared the same kid's slime (who ever was spoiled/wealthy enough to have the lastest toys). "Hey can I play with your slime after math?