The Toysmith zip ball game provides hours of active play. Zip ball is a fast-paced outdoor game for two players. Play a reverse game of tug-of-war; the wider you stretch the grips, The farther you push the ball in the direction of your opponent. Constructed of durable silicone and nylon cord for hours of intense fun. This toy is suitable for outdoor play only. Recommended for ages 5 years and up.