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Make fizzy and
they also build a biplane
a host of options are available either way
Package Size: 9
Build a vertical three-fingered claw that can lift a cup up off the table keeping it level
K'NEX STEM Explorations Roller Coaster Building Set Building Sets & Kits Make fizzy andYour child can explore STEM concepts while building a working roller coaster with K'NEX Education STEM Explorations Roller Coaster Building Set! The set will engage and energize middle school children as they boost their understanding of the STEAM (science, technology, engineering, art, and math) concepts associated with a real life amusement park ride. This K'NEX Education Set includes over 500 parts, plus a battery powered motor, allowing a single
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