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STEM Challenge for Kids: Design a Paper Plate Marble Maze

STEM Challenge for Kids: Create a pinball like marble maze game using paper plates and other basic craft materials. Fun design and building challenge! ~ BuggyandBuddy.com

A site that has EVERY 3D shape imaginable as a PDF so your kids can print, cut, fold and glue! Even lists the number of faces, edges, and vertices - @Cathy Yenca may like these