EXCELLENT! BUY IT!
I am an inner city, public school teacher who teaches STEAM to kindergarteners up to fifth graders. I see 500 students a week and my students (at various ability levels) LOVE to do the challenges in this kit! They love them so much that I have created additional cards for them to build, since they still can not get enough of these chain reactions. So students challenge themselves to create new cards for other students to build. I would gladly recommend this set for public school teachers and home schoolers alike!
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