With all the buzz about the new Lego roller coaster, I thought I would drop this in here to remind everyone what is possible with CDX Blocks.... | By CoasterDynamix | Facebook
CDX Blocks: Little Dipper - 332 Pcs, Building Brick Set, Gravity Powered Roller Coaster Model, Promotes STEM Learning - Walmart.com
CDX BLOCKS SIDEWINDER LOOPING ROLLER COASTER Speed Build and Test - YouTube