Maze Ball Challenge: a 3-dimensional maze to go through with the metallic ball. Start at the exit, and go through all 158 checkpoints without dropping the ball, and without missing any along the way. You will find different steps and obstacles that will make Maze Ball Challenge: a 3-dimensional maze to go through with the metallic ball. Start at the exit, and go through all 158 checkpoints without dropping the ball, and without missing any along the way. You will find different steps and obstacles that will make Material: PVC Alloy: Metal;; Colour: Multi-coloured;