Blockcraft Cars Hidden Keys is a wonderful online game with hidden objects. Find out the hidden keys in the specified images. Each level has 10 hidden keys. There are 6 levels in total. The time is limited so be fast and find all hidden objects before time runs out. Clicking in the wrong place several times reduces the time by an additional 5 seconds. So, if you are ready start the game and have fun! Use mouse or touch the screen!