This is a great gift idea!! Grab this building set to build racetracks for marbles, with 105 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 $58 down to just $23.99 (+ free shipping!) when you use promo code 105MARBLE at checkout!!
105-Piece Kids STEM Marble Run Coaster Track Toy Set