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Roller Coaster Marble RunStock informationGeneral Fields
Special Fields
DescriptionGet ready for fun with this easy-to-build marble run that's over two feet tall. Let the races begin, with this amazing marble run roller coaster It's so simple to build: just press out the model pieces, assemble the marble run using glue or adhesive tape, and you're ready to go. The track has a switcher and two funnels--plus a gravity-defying loop-the-loop, fun steps, and amazing slopes--so the winning marble will always be a surprise. The base of the book becomes a secure stand for your model, and you get easy-to-understand explanations of the physics and engineering involved. |