For the users of Tinkercad.com, there is now a fully-assembled version of the STEMFIE Rubber-Band-Driven car.
This is the official homepage of the STEMFIE Project – the 3D-printable and open-sourced educational construction toy you can download and make at home.
This toy is unsuitable for children under three years due to choking hazards!
.... is made for you!
... is open source.
... is free to use and adapt.
... has no fees!
... is #MadeWithFreeCAD
... is easy to 3D-print
... is upscalable (200% - 500%)
... is lots of STEM fun for kids!
... is ready for you to download