Sprinkle coloured or phosphorescent sand over the sticky areas. Surprise! The colours change in the dark. Keeping the image in the sturdy box, the protective paper is peeled away from the numbered areas using the special tool provided and the sand sprinkled on top following the colour number key. The excess sand is shaken off and once done returned to its pot via the pouring hole in the box. Beautifully illustrated, the completed Garden Lights pictures will look delightful on any child's wall or shelf and this makes a great alternative to traditional kids painting or drawing by numbers kits. Includes a picture instruction book. The set comes in a quality Recommended Age: 5 years+ Dimensions: 17.5 x 17 x 3 cm.