Surprise! The Fisher-Price Caterpillar Pop-Up toy is loaded with surprising fun for your baby to discover. As little ones press, twist, and slide the knobs in front of each door, the little animal pals will pop up for a quick hello! For an extra surprise, push the caterpillar's nose to hear a silly squeak. It's a surprisingly good workout for fine motor skills and a whole lot of exciting fun! Where development comes into play