Let's go play with friends that are fun to roll, stack, and grasp! Three double-sided chunky wooden GO Tots disks (six characters) spin and bounce as the bus rolls! Press the button on top of the sturdy wooden bus and GO Tots roll out the back! Compatible with other GO Tots play sets. With Melissa & Doug GO Tots, toddlers 12 months and older will discover a new kind of kinetic play that offers opportunities to explore cause-and-effect through delightful motion-driven moments. Relatable, diverse characters and appealing shapes and textures encourage connections and exploratory, skill-building play.