Marbles Otrio Wood Strategy-Based Board Game For Adults, Families And Kids Ages 8 & Up 16.1-Inch L X 15.9-Inch W X 2.5-Inch HDefy The Laws Of Grab Ity With Newton! The Goal Of This Interactive Game Is Simple: Get Five Balls Of The Same Color Into A Row. Achieving This Is Anything But Simple! Contending With Constantly Moving Parts, Each Player Must Strategize And Find The Equal And Opposite Reaction To Each Action. This Spatial Strategy Game Tests The Limits Of Players Sequential Reasoning Skills. Lining Up Moving Parts May Be Difficult, But So Was Developing The Theory Of