SmartGames bill & betty bricks The sky is the limit! Build your way up with the wooden blocks, but make sure your builders always keep their feet on the building so they can supervise the work. You have done a good job when the building is completed and your little builder stand on top of it. Challenging for the whole family, this game develops spatial perception as well as fine motor skills. Manufacturer recommended age : 5 months and up Contents: 10 colorful wooden blocks, 2 playing figurines/game pieces, 60 challenges.