Eduplay Twinkle Stones offer a variety of ways to train your balance on one leg or standing on two legs. Stone, star and ball can be used individually or combined with each other. For stones and stars, one side is flat and one side is curved - for different levels of difficulty. In the star-shaped depression of the stone, children can roll the ball along the numbers and train their muscle control and stability of their hands. After playing, the ball and star are stored in the stone. Contents: 3 x yellow star, 3 x light blue stone, 3 x red ball, bag. Can hold up to a maximum of 40 kg. Contents: 3 x stones, 3 x stars, 3 x balls.