We chose the best rabbit toys with help from experts. Our top picks for bunnies include chew toys, tunnels, ... "Hard plastic baby toys and rattles are a favorite," says Ratches.

It became so iconic that to this day, almost anyone learning to use a 3D printer starts out by making a plastic version of the same rabbit. So in a way, Erlich’s bunny is the ultimate inside joke.

Manufacturing tiny plastic bunnies with a 3D printer isn’t anything new. But the toys described in a new Nature Biotechnology paper have an unexpected twist — the bunnies contain the very information ...

The toy is also a draw, Ms. Appell said, because it includes a new stuffed animal and gives children the ability to emulate their parents in a kitchen. “They’re cooking just like mom,” she said.