Techno Gears Marble Mania Whirler, Over 100 Pieces

Brand new! 6 Years & Up Techno Gears Marble Mania Mini Series is a great way to challenge your child's building skill and introduce them to the Techno Gears Marble Mania line. The Whirler set includes over 100 pieces to build and create your own marble run. Once completed, they simply drop the marbles into the top of the track and let the fun begin! All Techno Gears Marble Mania sets are interchangeable and will require a minimum of one to two hours of construction for completion.