How to Build a Halfpipe or Ramp (with Pictures) - wikiHow
Halfpipe + DIY planters built by a few Departikans. Not so punk rock...but sure does make the ramp a bit easier … | Backyard skatepark, Dream backyard, Backyard fun
How This Dad Made a Homemade Skate Ramp for His Quarantined Kids
4ft High Skate Ramp Halfpipe - Mini Ramp Kit - Self Build - DIY, BMX, Scoot Ramp | eBay
4ft High Skate Ramp Halfpipe - Mini Ramp Kit - Self Build - DIY, BMX, Scoot Ramp | eBay
How to Build a Halfpipe? - Detailed Guide for DIYers