December 2, 2017 by: MaraGreat Deals on Magformers! Amazon has some great prices on Magformers sets right now. These can be really pricey so snag the deals while you can! Magformers Creator Carnival Set (46-pieces) $38 Magformers Smart Set (144-pieces) $99 Magformers Challenger Set (112-pieces) $76.59 Remember, Amazon prices can change at any time. This post contains affiliate links.