Light up the night with the Slime Balls Claus Grabke Blacklight Light Up OG Slime wheels. Featuring a unique opaque luminescent neon urethane, these wheels glow under blacklight and showcase the iconic Santa Cruz Claus Grabke Exploding Clock graphics. Equipped with LED lights that activate with wheel rotation, no batteries are required. The versatile OG Slime shape and soft 78a urethane provide a smooth and comfortable ride, while the included Bronson Speed Co. G2 bearings deliver optimal performance.