Are we really seeing reality as it is? As you will see after playing with this wonderful science kit, reality is not always as we see it. Optical Illusions from A-Z: includes 14 engaging science experiments for kids covering a wide variety of optical illusions including: double meaning illusions, movement illusions, distorting illusions and others. Science made fun: You will build a piggy bank that keeps your money safe (or make it disappear), explore color illusions with special spinners and much more. 14 experiments inside!