Self Build Mini Ramp - 3 Foot - Four One Four Skateparks
Amazon.com: OC Ramps Garage Mini Ramp (16' x 8' x 2') - A 2 Foot High Skateboard Half Pipe Designed to Fit in Your Garage or Backyard - 2 Layers of Plywood
4ft High Skate Ramp Halfpipe - Mini Ramp Kit - Self Build - DIY, BMX, Scoot Ramp | eBay
4ft Tall Mini Ramp - BMX Ramps | Half Pipes South Africa
Half Pipes (Halfpipe) Ramp Kits for Sale | OC Ramps