Spectrum Koogle PG Playground Balls may be used for all sorts of games. They are made of tacky vinyl, so they are easy for younger children to throw and catch. This children's play toy weighs less than half the weight of standard rubber models (around 160 grams each) so kids will be able to lift and toss it more easily. Vary the inflation of these kids' sports balls to adjust their bounciness and size. They may also be used to create educational games that teach young children about colors and counting. Play catch with these colorful balls to help your child develop hand-eye coordination and encourage them to be active. They come in a set of six so there's plenty to keep the fun going.They make a good addition to a kids gym. Grab a set of these fun playground balls for your kid's toy collection and get active.