Ebay offers FAO Schwarz Marble Speedway Gravity Race Set 357pc STEM Marble Run Glow Tracks for $15 (reg. $39.99) after code free shipping.

Apply Code: BULLSEYETOYS20

Product Description:
•Race all 6 marbles towards the finish on a thrilling track that you design with 357 included pieces
•Keep track of all race outcomes using the included scorecard for added competition
•Enjoy 3 competitive events: Grand Cup, Time Rally, and Speedster Elimination for varied fun
•Race at any time with glow-in-the-dark track pieces, adding an extra element of excitement
•Offers hands-on learning about physics and engineering, perfect for curious minds aged 6 and up
•F.A.O. Schwarz, celebrating the wonder of childhood since 1862