I built a skateboard grind box (#QuickCrafter) | Skateboard ramps, Skateboard furniture, Skate rail
Custom 6 Foot Grind Box for Sale | OC Ramps
Amazon.com: Keen Ramps - Skateboard Grind Box - 4ft or 6ft Long - Skate Grind Box for Skateboards, BMX Bikes, Scooters, & Roller Blades - Professional Skateboarding Ramps for Home - Made