Pattern matching is a major part of computational thinking. Artificial Intelligences can help us solve problems by spotting patterns but humans are also good at spotting differences.
Here are some for you to try.
Odd Cat Out Pattern Matching Puzzles
Caterpillar Pattern Matching Puzzles 1
Caterpillar Pattern Matching Puzzles 2
Lighthouse Pattern Matching Puzzles
More puzzles
A bit of cs4fn 