Popsugar Parenting Stem Best Stem Toys 2019 49 Stem Toys That Make Learning More Fun Than Ever 9 April 2019 by Rebecca Brown View On One Page Photo 23 of 49 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 23 Klutz Lego Chain Reactions Craft Kit Klutz Lego Chain Reactions Craft Kit ($16) focuses on sequential reasoning, building, and experimenting. Klutz Lego Chain Reactions Craft Kit $16 from walmart.com Buy Now Previous Next Start Slideshow StemToysShoppableKid ShoppingGift GuideGifts