When you run this, the yellow part in front of McQueen's face moves up and down. The blue one does the same. My child played with these with great care. They didn't throw them or put them in their mouth. Mattel's mini-cars aren't sold very often, and they're very cute. Mini-car set of animated characters, Lightning McQueen and Mater. - Model: Lightning McQueen - Model: Mater - Color: Red - Color: Brown - Features: Character Mini-car - Features: Animated Character Thank you for looking.