Can your eyes deceive you?
Try these amazing optical illusions to find out. Look hard then look again to see...
spinning patterns - but the page isn't moving!
colours that change - but do they?
big and small shapes - spot the difference!
...and lots more. Devised by an expert on brain training these visual tricks and challenges are huge fun and quite an eye-opener! There are handy tips if you need help and full answers too!