Take coloring to the next dimension. Create awesome optical illusions using a mix of warm/cool colours. With the pair of included 3D glasses on, watch as artwork pop off the page (*3D glasses make warm colors appear closer and cool colors appear further away). Neatly packed in our compact magnetic sealed case perfect for kids on the go. Recommended for ages 5-8 Available in 3D Rainbow Dreams or 3D Fierce Creatures designs.