Product features Length: 14 cm Width: 8 cm Thickness: 5.5 cm Material(s): glass Colours: black and white Product description Add a wild touch to your games with this set of 20 coloured marbles and its black Zèbre boulder with a graphic and trendy pattern. Perfect for developing skill while having fun, this set offers fun and stylish moments. Easy to carry, it accompanies you everywhere for playing without limits.