Crazy Scientist Lab kit exploring different types of brain-twisting optical illusions.
Send your brain in a spin with the best deceptive illusions and visual tricks with a dozen fun experiments for you to do. Explore double meanings, is it a vase or face? - incredible mind tricks, which one is bigger? - colour illusions and eye-boggling 'moving' patterns. You can even build a magical piggy bank to make your money disappear! Simple explanations and photos reveal the answer to each visual trickery and the science behind it - but you still won't believe your eyes!