4M Kidzlabs Model Building Electric Marble Run Playset

Make Learning Fun With 4M Kidzlabs Model Building Electric Marble Run Playset Just Put The Marbles At The Top Of The Circuit And Watch Them Race To The Finish Till It Starts Again Building The Marble Run Improves Kids' Spatial Reasoning And Motor Skills The Kit Comprises Connectors, Gears, Metal Balls, And The Motor . .