Got some time to kill? Why not take advantage of the latest round of brainteasers and optical illusions to get your brain going. Turns out, these puzzles aren't just for wasting time, they can also help keep your brain in shape. What have you got to lose?
Today we've got four fun hidden images for you to find. In puzzle one, can you see the C in the mass of Os?
Here, you'll need to find the six-pointed star among the five-point stars. Can you spot it?
What about this one? Can you spot the frowning face among the smiley faces?
And last, but certainly not least, can you see the spade among the clubs?
Are you a super sleuth? Click through to the next page to see if your answers match up.