Walmart offers the Thames & Kosmos Chem C1000 (V 2.0) Beginner Chemistry Set for $39.29. It drops to $37.75 when you choose in-store pickup. (Amazon charges the same if you select no-rush shipping.) That's $10 under our mention from a month ago and the lowest price we could find by $10. It includes professional-quality equipment for young scientists to explore 125 diverse experiments.