For blocks of fun you can count on, load the blocks onto the truck and press the characters on top to play sounds, melodies and phrases Press the top of a block to see the front wiggle, rattle or move; stack the blocks and press the top one to move the front of multiple blocks The zebra and music buttons on the roof of the truck encourage little ones to stack the blocks and explore the truck with playful melodies Let’s count! The light-up number button introduces numbers 1-4 and plays a number song Intended for ages 6+ months; requires 2 AA batteries; batteries included for demo purposes only; new batteries recommended for regular use This truck toy with stacking blocks is great for babies to explore motor skills; makes an interactive unisex gift for holidays, birthdays or just because!