Shift the maze walls and move your ghosts through open corridors on the board in search of treasures. Whoever reaches a treasure first can claim it, but the corridors close up quickly as the maze walls shift, so it can take a few turns to reach a goal. It takes both strategy and luck to collect the most treasures and win the game.. Ravensburger Childrens Games provide a fun learning experience for children of any age. Every game focuses on different fundamentals from vocabulary building to visual recognition to critical thinking. With games for ages 2 1/2 to 7+, parents can enjoy both teaching and playing with their kids.