Rev up your engines and dive into a whirlwind of action with the Kullerbu Traffic Jam Ball Track Set, a dynamic and engaging toy designed to captivate children's imagination and develop their understanding of cause and effect. This set features a series of tracks and components where colorful balls race down ramps, get collected, and are released to knock over dominoes, creating a delightful chain reaction. The sturdy construction combines beech wood and ABS plastic, ensuring durability and safety for young builders aged 2 to 8 years.

The Kullerbu Traffic Jam Ball Track Set features:
- A unique 'stop & go' lever to control the flow of balls.
- A fun ball collector that gathers balls until released.
- A thrilling funnel that guides balls into a domino-effect sequence.
- Large, easy-to-handle pieces suitable for younger children.
- Expandable design that can be combined with other Kullerbu sets for even more fun.