Amazon.com : Freshpark Professional BMX and Skateboarding Ramp Fun Box : Skateboard Ramps : Sports & Outdoors
Building a Grind Box for Skateboarding or BMX
3ft Grind Box — Pacific Skate School
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