Yohai played with plastic tub toys, among which was a pink turtle. He liked this toy so much, he used to take it along with him on walks, too. One day, this turtle got lost. The replacement wasn't exactly the same as the original. But this was the start of the turtle collection, which grew to include turtles not only of plastic, but many stuffed ones, and turtles of wood, glass, ceramics and other materials.