






Cuboro DUO – Extension set for two-track wooden marble runs






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Double the marble fun with parallel tracks!
The Cuboro DUO expansion set allows you to expand your existing Cuboro marble run with two-lane tracks. With special components, the marbles switch to parallel double tracks, creating exciting races between the marbles. This set not only promotes fun, but also encourages strategic thinking and creativity in children and adults ages 8 and up.
Main features:
- 16 building elements made of natural Swiss beech wood
- 5 glass marbles for immediate play
- Compatible with all Cuboro basic boxes and expansion sets
- Promotes logical thinking, fine motor skills and spatial imagination
The DUO set is the ideal addition for anyone who wants to make their marble runs even more varied.
- Building blocks: standardized cube shape with 5 x 5 x 5 cm
- Overall dimensions: can be individually designed depending on the construction
- Weight: approx. 2.5 kg (complete set)
The set is compact yet expandable. It fits on any gaming table and can be easily stored after use.
Manufactured in Switzerland with the highest precision
- Up to 30 work steps per element
- Gently ground, rounded edges for maximum safety
- Glass marbles made to Japanese quality standards, optimally matched to the track layout
This marble run set represents excellent craftsmanship where every detail counts. For parents who don't compromise.
- Promotes logical thinking and spatial imagination
- Supports fine motor skills and creative problem solving
- Ideal for Montessori-oriented learning
- Suitable for individual play or group activities (at home, daycare, school)
This marble run is more than just a toy – it is a tool for the holistic promotion of child development.

what is important to us
As a responsible husband, I know what parents want for their children: safety, fun, joy and quality. And it is precisely these properties that all of our products combine.

Individual pieces from the EU instead of mass-produced goods
Since our products are lovingly handcrafted, each piece is something very special. This also allows us to flexibly implement your individual wishes.

Educational valuable
Our products are designed according to the Montessori or Pikler philosophy and encourage your children in a playful way. The focus is primarily on gross motor skills.

Sustainable and ecological
We only use sustainable and ecological materials. These are all certified and do not harm our children or the environment.