Develop children's logical thinking skills and cognitive ability, as well as improve children's overall mental ability. There are a total of 60 games with 4 levels: entry level, junior, intermediate and advanced levels. For this game, there are 2 different designs; dinosaurs and animals. Players can select either design to play, according to their own preferences. Simply use the 4 pieces of the puzzle blocks and place them on the game tray to show or hide the numbers of animal designs according to what are shown on the game instruction manual.