3.21 pounds

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A SCIENCE KIT THAT INSPIRES – There is an awesome variety of chemistry experiments in this kit! Your kids will have hours of fun as they explore the fizzy and bubbly reactions they create, just like a real scientist in a lab!
A TOTAL OF 45 EXPERIMENTS – Your kids will build and erupt a volcano, create a geyser, launch a rocket, and cause some awesome chemical reactions! We know your kids will want to conduct even more science experiments so we’ve included a bonus experiment guide with 30 additional experiments that can all be done with common household items!