Giant leaps, wild slides, flights through the air - all constructed by you! The Quercetti Marble Run with Motorized Elevator gives you the power to create the obstacle course of your dreams and launch up to 10 marbles through it at a time. It's wildly exciting, but be sure to concentrate on your building skills. Children will learn to experiment with trial and error and explore cause and effect as they build a multilayered, interconnected marble run. Quercetti Marble Run with Motorized Elevator is one of the best selling construction sets for children who love to build and experiment with mechanics. This marble run construction set features 160 pieces set including an adjustable height motorized elevator, special double entrance funnel and spirals. Educational Toys Planet offers this durable European building set as a way for children of all ages to engage in unique problem solving activities, develop motor skills and gain expert coordination. Over the rails and through the chutes, to exclusive learning fun we go!