Amazon.com: OC Ramps 6ft Grind Box - Durable Skate Boxes for Grinding - Wood Skateboarding Obstacle with Metal Rail - Great for Bikes, Scooters, Snowboarding and Inline Skates as Well : Sports & Outdoors
Obstacle Guide - What is a funbox? | skatedeluxe Blog
HOW TO MAKE A CHEAP D.I.Y SKATEBOARD GRIND BOX 2.0 - YouTube