As with every Hape Quadrilla Marble Run Construction Sets, it combines easily with other Hape Quadrilla products for expansion and unique combinations that will enhance your child's play experience. German Engineering Design Inspired by Da Vinci circles with Endless Creative Building Possibilities for Spatial Thinking Minds A creative take on the marble run, the Quadrilla Vertigo provides a great mix of spins, drops, seesaws, and speed that will have marbles going every which way! I don’t know how to rate this toy. I have hape XCELLERATOR E6007 marble run and thought I could extend it by buying this and a few individual pieces like the skate park.

spiraling funnels, 12 curved rails and 10 power-boosting accelerators inspire builders to design the ultimate marble run. Compatible with other Hape Quadrilla Marble Run, but is not compatible with Hape Marble Run E1100 E1101 E1102German Engineering Design Inspired by Da Vinci circles with endless creative building possibilities for spatial thinking minds