Hape Quadrilla Wooden Marble Run Construction – Vertigo – Quality Time Playing Together Wooden Safe Play – Smart Play for Smart Families

Amazon.com Price:  $84.83 (as of 20/10/2019 06:51 PST- Details)

Praised by the Wall Street Journal as one of the top toys to teach kids code and STEM principles
German Engineering Design Inspired by Da Vinci circles with Endless Creative Building Possibilites for Spatial Thinking Minds
Each of the Seven Different Color Blocks has a different Function – Fun practice for logical and engineering thinking