Surface wash with mild soap. Air dry away from heat source.
Glass
The CUBORO marble run system from Switzerland has been delighting all generations worldwide since 1986. The sustainable toy made of natural Swiss wood inspires young and old and guarantees lasting fun. CUBORO stands for timeless design and lifelong learning.
15 original CUBORO balls made of high-quality glass. Thanks to the optimal fit with the CUBORO elements, the balls race smoothly over the marble run.
Age Safety Rating: 3+ years, as small parts are a choking hazard