This is a great gift idea!! Grab this building set to build racetracks for marbles, with 247 pieces! This STEM set is a great educational, kid-powered toy, and looks like fun for a wide age range as well. Get yours here on sale from $72 down to just $34.99 (+ free shipping!) when you use promo code CW15 at checkout!!
Kids 247-Piece Building Block Marble Run STEM Toy Track Set w/ Ramps, Slides