Aside from jarts, there was;
Easy bake oven that had no safety features
This plastics molding factory metal mold that you pours chemicals into and heated up
Chemistry sets with dangerous chemicals
Cherry bombs
Going door to door by myself selling and then delivering cookies

There were other dangers but those were the ones I played with. Actually I loved the freedom of leaving in the morning with a can of mandarin oranges and coming home after dark. Because I grew up when most moms stayed at home and there were party lines the moms kept an eye on kids.