My boyfriend gave me 2 sets of the cdx blocks. I'm very very very happy. : r/rollercoasters
CDX Blocks- Rollercoaster, Achterbahn, Klemmbeusteine, NEU OVP in Rheinland-Pfalz - Bad Breisig | Lego & Duplo günstig kaufen, gebraucht oder neu | eBay Kleinanzeigen
CDX BLOCKS SIDEWINDER LOOPING ROLLER COASTER Speed Build and Test - YouTube