Whale Spring Rider Model #: SPR-M0002 Actual Size: 2'-8" x 1'-8" Use Zone: 14'-8" x 13'-8" The Whale spring rider is one of our most popular spring riders because it encourages imaginative play, socialization, and participation, while also promoting balance and agility.  We us commercial grade components engineered to resist corrosion, fading and mildew so your playground will last. We designed all playground equipment to meet public playground safety standards (ASTM 1487 & CPSC) because we care about the safety of your children. It's a perfect addition to any park, school, apartment, early education center or other organization that enriches childhood through play.