qhectty stem robot building kits for kids 6-14, 5in1 remote & app controlled stem tractor/frog/robot building toys, 732 pcs educational building block sets for kids, erector sets gifts for boys girls is up for auction in Toys & Games. The current bid is $4.50, 92% below the $59.99 MSRP, in New/Like New condition. Bid on this item at our Mason - Reading Rd - Suite G location before the auction closes.