Children can learn all about 3D optical illusions and create their own 3D pictures with this handy and eye-catching kit! Each page has bright, colourful illustrations and there are simple step-by-step instructions to help children learn the art of making amazing 3D illusions. The kit includes red and blue felt tip pens, a clip to hold the pens, plain paper and graph paper, as well as a pair of 3D viewing glasses to bring the pages to life before your very eyes