5 activity panels are included. Wall panels feature 11 different activities for children to explore. These include interlocking cogs, a bead wheel, a weather wheel, a season wheel, a sliding thermometer, a shape puzzle, 2 mirrors (concave and convex), a xylophone with a mini cymbal, a shape threading activity, and a wire maze with a launch lever. The wall panels include fixing holes and attachment screws for easy mounting. This panel is designed for indoor use only. Comes with pre-drilled holes, screws and mounting instructions. The assembled rainbow wall measures 65"L x 32"H. Assembly required. Ages 18 months and up.