Choose the card randomly, set up the hourglass, and then start the game. You have to move in certain way so the color puzzle can go as you wish. Time is ticking and make every game player nervous. It's a very fun and interesting game that everyone can play and stimulate brain. Color matching side- there are 4 bright color- blue, yellow, green, red color. Shape matching side, there are 4 different shape: square, round, triangle and five-pointed star. It helps toddler to recognize the color and the shape. A good Montessori toys for toddler kids.