Fleece Balls are designed for use by individuals with neurological or upper extremity disabilities. These high-grade, yarn balls can be used for movement activities, games, or for teaching colors. DIMENSIONS: Models 834 and 841 are four inches in diameter. Model 846 is three inches in diameter. WEIGHT: 35 grams. COLOR: Model 834 is white and models 841 and 846 include two blue, two red, two green, and two yellow balls.