Perplexus Original Game is the game that's easy to play and hard to master! See if you have what it takes to solve the maze puzzle! Hold the clear plastic sphere in your hands and rotate it 360 degrees to move the silver ball inside along the numbered course. Make it to the end without falling and you win! If your ball slips, head to start and keep on rolling! With 100 challenges to take on, the Perplexus Original Game is a challenging and fun portable game! Make it across the tight rope, along the swing arm and around and around the super spiral until victory is yours! Remember: with Perplexus Original Game you grab it...it grabs you! Ages 8 and up.