VTech Drop and Go Dump Truck YellowRequires 2AAA batteries (batteries included for demo purposes only; new batteries recommended for regular use); construction toy is intended for toddlers ages 6 months to 3 years old Drop a colorful rock into the top of this cheerful dump truck toy and watch it tumble into the bucket to learn numbers Once the rocks are in the bucket, The push toy or pull toy can be moved along to see the rocks rumble around inside Learning toy develops motor skills by