-The Hedstrom Hopper ball is the original Hopper. Hedstrom has been making toys like the Hopper Ball since 1913! Quality Hop Balls come from Hedstrom. -Hopper Balls are a great, fun way to get kids active and exercising and are durable enough to use inside or outside. Kids love the fun, colorful graphics. -The durable vinyl material stays inflated and bouncy while kids hop and bounce almost anywhere. The textured, rugged handle provides a secure grip. -The 15 inch diameter is sized for children aged 4+. -The Hedstrom Hopper Ball ships deflated but easily inflates with any hand pump or electric pump (not included). Easily deflates for storage or travel.