Take stacking to the next level with the Stack & Balance Teeter Totter™. Balance playtime and learning with a stacking toy that toddlers can load with eight colorful rings of different sizes. The scale senses if the loads are not balanced and makes suggestions on how to add rings to each side. Kids hear rewarding phrases when the teeter-totter weights match! Explore colors, numbers, and animal names with Learning and Music modes with 45+ songs, sounds, melodies and phrases. Intended for ages 12-36 months. Requires 2 AAA batteries. Batteries included for demo purposes only. New batteries recommended for regular use.