• Age Range: 1 Year and Up
• Building set includes 1 Peek A Blocks penguin, 11 big building blocks designed to be durable, 1 slide and 1 launcher
• All-new way to play: Place your Peek A Blocks animal on a block to activate its peek-a-boo surprise
• Blocks are compatible with all Peek A Blocks playsets and Mega Bloks building toys for endless learning fun
• Ideal for ages 1 , and endorsed by Fisher-Price, First Builders blocks are the perfect fit for little hands, designed to develop thinking and fine motor skills ​