Sassy Pop-n-Push Car inspires exploration and promotes cause and effect learning. It is fun to watch baby pull the easy to grasp car back and watch the popping beads that hit the car''s top. This brightly colored toy will encourage 6 months and older children in motor skill development. Pull the car back and watch with baby as it races away. Laugh with baby as the beads pop-pop-pop in the top of the car. Encourage baby to crawl after the car, which helps develop motor skills and crawling. The pop-up beads introduce concept of cause-and-effect. ExpirationThis product has no expiration date or the manufacturer has not provided an expiration date.