Knikkerbaan Extreme, 70mtr.

Challenge yourself with this extreme marble track! Build the large model with a length of 79 meters and discover the complex routes. The Knikkerbaan has 6 possible routes with cool stunts including a funnel, a free fall, a tap spiral and a free jump! The special electric marbles completes the track. The set contains 231 parts of sturdy plastic. Difficulty: 9/9. Batteries not included.