K’Nex Marble Run 3 Model Building Set (With Motor)

K’Nex Marble Run With MotorGet Ready For A Whole New Way To Play With K’Nex With The K’Nex Marble Run With Motor!3 BuildsThis Set Includes 3 Design Templates With Easy-To-Assemble Components For A Fun Building Experience! Assemble One, Then Take It Apart To Build Another. Or Get Creative And Design Your Own!4 PathwaysWatch Your Marble Race Down The Track With 4 Different Pathways. Where Will Your Marble End Up?350+ PiecesThis Set Includes Over 350 K’Nex Pieces For You Assemble Your Marble Masterpiece. Use The Motor To Maximum Mechanical Fun!