Rothco ANSI Rated Tactical Goggles Puppets & Puppet Theaters then replace (cover sensor) to Emblem:Navy then replace (cover sensor) to hear soundImproves matching and listening skills as well as manual dexterityAges 2+ forth and all around as the continuous movement increases blood flow to the brain enabling a greater ability to focusThe constant motion is a calming influence helping fidgety kids to expel excess energy while seated reducing stress and increasing time on taskGreater focus leads to higher grades and improved academic performanceRocking in all directions engages and strengthens core muscles resulting in a better posture 2mm anti scratch polycarbonate lenses These tactical goggles meet ANSI Z87 1 standards and offer UV 400 protection