Marble Run Funnel Jungle Starter SetEnter the marble jungle! Build exciting marble track creations with this set. Perfect for fast moving building fun and early physics lessons. Adjustable setup for maximum marble speeds. Speed tubes and funnel curves can be pivoted and placed at varying heights. Power pulser track transmits impulse to marbles in the speed circle. Enhances imaginations and problem solving skills. Develops spatial awareness and hand eye coordination. Introduces early