(JTA) — If you know any young children or fidgety adults, chances are you’ve seen, heard, or coveted a handheld piece of dimpled silicone known as a “pop-it.”

The must-have toy was originally created in the 1970s by an Israeli couple with a penchant for playthings, according to a BBC report that calls the pop-it “an overnight sensation more than 40 years in the making.”

Theo and Ora Coster created more than 150 toys and games through their company, Theora Design, including some that immediately became popular worldwide, such as “Guess Who?” and “Zingo.” Others became pop...