MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

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There are cubes you can print to help then understand volume or calculating. You can also create a lot of toy's and if they eat them it shouldn't be a problem becouse PLA plastic is made from plastic. (don't quote me on that, I am not responsable if anything does hapen)