Can you spot the one sneaky difference in this ice-skating puzzle? At first glance, the two cartoon panels appear almost completely identical. A blonde girl in a red dress glides across the ice with her eyes closed, while her cute brown puppy in a blue outfit skates beside her with its tongue sticking out. The nearly identical images are designed to make your brain overlook a tiny detail.

To solve the puzzle, slow down and examine both pictures carefully instead of relying on a quick glance. Start with the girl and compare her hair, face, red dress, arms, legs, and skates. Then move to the puppy and check its ears, eyes, nose, tongue, blue outfit, tail, and tiny ice skates. When everything looks the same, take a short break and look again. As the original article suggests, “blink twice, look away for 3 seconds, and look back with fresh eyes!”

The challenge becomes difficult because your brain tends to assume that two nearly identical pictures are exact copies. That makes small changes surprisingly easy to miss, especially when they involve a single line, color, or tiny part of an object.

The original puzzle claims that the hidden difference is around the puppy’s blue outfit, although it also mentions a possible change involving the girl’s skate blade or dress fold. The key is to compare the two images directly and look for the smallest altered detail.

So, did you find it in under 10 seconds, or did you need much longer? Take another careful look before checking the answer, and see whether your visual skills are sharp enough to catch the tiny change.