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 Manufacturered by Hape. Spiel Gut (Good Toy) Award and Oppenheim Toy Portfolio Platinum Award Winner Thousands of Happy Playing Hours - An Heirloom Toy Worth of Every Penny Provides Quality Time Together - The Whole Family Playing Together is The Best Gift