Seven amazing marble machines by Paul Grundbacher

Seven amazing marble machines by Paul Grundbacher.This is what "Rocket Scientist" do for fun.

Saw a Paper Roller Coaster at the Museum of Life & Science today. MUCH better than my cardboard & tube marble run.

This could be used as a STEM activity or a maker activity. Students make their own roller coaster.

LoveJordan Art and Photography - Domes: Coolest toy ever, I want one.

LoveJordan Art and Photography - Domes: Coolest toy ever, I want one.

Rolling Ball Sculpture - I have wanted one of these for as long as I can remember.

Interactive rolling ball sculptures are a fantastic way to have fun with your sculpture.

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