A giant gorilla scaled it Tom and Meg met atop it and now it can be found right in your very own home! The Giant Puzz 3D - Empire State Building is a beautiful replica of one of New York's most iconic structures. This 902-piece puzzle stands 3.5-feet tall and is a skill level 3 difficulty designed for ages 14 and up. 3D puzzle of the Empire State Building. 902 pieces. Skill level 3. Recommended for ages 14 and up. Dimensions: 42L x 7.75W x 14H inches.