Kids and adults alike will enjoy the challenge of assembling this mini building block set of Mesa Arch. Located in Canyonlands National Park, Mesa Arch hangs on the edge of a cliff creating a window to the canyon vista beyond. The hike to Mesa Arch is one of the most popular in the park. Kit includes 299 pieces and assembly instructions. For ages 7 +. Assembled size: 6.75" x 2 ".