More informationContains 36 wooden marbles in the 6 colors of the Rainbow. Recommended age +36 months. Includes GOT Certified fabric bag. Playing with marbles could be considered a game that is part of the culture of childhood. What is the difference between glass and wooden marbles? The sound when falling, when colliding with each other, the weight, the texture ... The different colors of these small spheres allow us to group them, order them, classify them ...