Cuboro Sub - The Extra Set for Clever underpasses/Tunnels - Marble Run - 12 Beech Wood Blocks and 3 Marbles

The Sub Extra Set from Cuboro adds clever underpasses and overpasses to any marble run. With 12 wooden track blocks and 3 marbles, it allows players to create new tunnel layouts and transitions, making courses more varied and interesting. The set can be combined with any Starter or Extra Set to expand building possibilities. Sub encourages planning and creativity as players experiment with different layouts and multi-level structures. It also supports strategic thinking, patience and problem-solving while exploring how marbles move through more complex runs. Cuboro Sub includes 12 wooden track building blocks and 3 marbles. The wooden components are made in Switzerland from sustainably sourced natural Swiss beech wood.Contains small parts. Unsuitable for people vulnerable to choking hazards..Suitable for indoor use onlyProduct Ref.: 007H00

• Cuboro Sub Extra set with 12 wooden blocks and 3 marbles for underpasses, overpasses and multi-level layouts
• Adds variety and new possibilities to any marble run
• Encourages planning and creativity in course design
• Supports strategic thinking, patience and problem-solving
• Made in Switzerland from sustainably sourced natural Swiss beech wood