This is the classic puzzle like you've never seen before! Move the colored balls around the frame to create a myriad of unique patterns. But it's a sneaky slider: in the puzzle hidden invisible walls that will require you to find alternative routes. Go through Loyd's Labyrinth to solve the 44 challenges and you're a great player! Retail Package : 4.25" (W) x 1.25" (D) x 6.25" (H), Weight : 0.5 lb