3 years and up. This Light Cube Accessory Kit is the perfect light table starter kit! Includes 5 clear plastic trays, Counting and Stringing Rings, 12 Optical Illusion sheets, 2 Paint Pipettes, 2 Squiggle Pipettes, 8 clear vials, 3 Paint Scrappers, 8 Animal X-Rays, and a teacher guide.