These tumbling, toppling domino runs will make you say "Whoa!"! Kids embark on a domino dash when they craft their own domino runs with STEM Explorers Domino Action, one of the fun STEM toys for kids from Learning Resources. Using the set's 45 colorful dominos, kids build their own obstacle-filled domino runs to solve the included STEM challenges! As they build, test, and tweak their domino runs, kids will also strengthen essential kindergarten STEM skills, including critical thinking, problem solving, and engineering. After they master the progressive STEM challenges in this STEM toy for kids, little learners can even build their own! STEM Explorers Domino Action includes 45 dominos in two sizes, 10 double-sided STEM challenge cards, plus obstacle pieces including a slide, cup, spinning gates, and more. Our fun STEM toys for kids are ready for homeschool or kindergarten classroom use!