The fun really stacks up for baby with the Fisher-Price Stacking Action Blocks. Each building block offers your little one 4 sides of play ABCs, 123s, peek-a-boo play and a fun action. The blue block’s fun action is a rolling drum, the red block’s is a spinning wheel with beads trapped inside, and the yellow block’s is a clicking dial. Pressing the buttons on top makes the fun actions happen on each block. Or baby can stack ‘em tall and activate ‘em all with one “magic” press of the top button! You’ll love watching as the fun builds, along with fine motor skills and eye-hand coordination! For ages 6 months to 3 Years. Features: ● 4 sides of play on every block – ABCs, 123s, hands-on peek-a-boo play and a fun action! ● Press button on top of each block to activate the fun action ● Or stack the blocks and make all the actions happen with just one “magic” press of the top button ● Red block with spinning wheel and a switch to toggle ● Yellow block with clicking dial and a door to flip ● Blue block with rolling drum and a door to slide ● Lots of hands-on play helps build fine motor skills and eye-hand coordination ● Colors, sounds and textures help stimulate important senses Gender: unisex.