Set of 5 activity panels, each with their own pre-drilled fixing holes. Contains 10 different activities including interlocking cogs, a weather wheel, a bead wheel, a thermometer slider, a season wheel, a shape puzzle, a wither bead maze with launch lever, a sun/moon slider, a xylophone with mini cymbal and mirrors (concave and convex). Size of assembled rainbow: 5'3.7"L x 32"H