CUBORO Marble Run Extras - Tunnel Set of 16

The CUBORO Tunnel Extra Set takes the hidden pathways of the classic marble-run system even further. Its specially carved wooden elements allow marbles to disappear deep inside a construction, following concealed curves and connections before emerging back into view.

Unlike an ordinary surface track, a tunnel system must be understood from the inside out. The visible entrance and exit reveal only part of the journey, while the arrangement of the cubes determines everything that happens between them. With 16 elements, Tunnel brings a particularly intriguing spatial challenge to an existing CUBORO collection.

Materials: Swiss beech wood; glass marbles

Country of origin: Switzerland

Dimensions: Standard cube approx. 5 × 5 × 5 cm

Suitable for: Indoor

Weight: 1.5 kg

Pieces: 16

Wipe clean with a soft, slightly damp cloth. Do not soak or immerse; dry immediately and store in a dry place.

Recommended age: 7 years+

Recommended from 7 years. Contains small glass marbles; choking hazard and never suitable for children under 3. Use under adult supervision, keep marbles out of reach of younger children, and build on a stable surface. Children under 3 may use only the wooden elements without marbles. Inspect wooden tracks and marbles for chips or damage.

16 wooden elements + 5 glass marbles

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