The STEMFIE rubber-band-driven car is easy and quick to build and demonstrates energy retention and controlled release to achieve motion. The inspiration for this design is borrowed from science classes in schools, using the mousetrap car.
| 44 |
4 < 140 x 140 mm |
A short piece of string and three small rubber bands | 15 minutes |
Spanner (SPN-TOL-0004) Driver (SPN-TOL-0001) |
Download the STEMFIE files below by right-clicking on a link and saving it on your computer. You can also download the ready-made build plates.
- Beam AGD ESS USH SYM BU03x02x01 - SPN-BEM-0301 (1x)
- Beam STR ESS BU04x01x01 - SPN-BEM-0041 (1x)
- Brace AGD 90 ASYM ERR BU02x06x01x00.25 - SPN-BRC-1003 (2x)
- Brace STR STD ERR BU04x01x00.25 - SPN-BRC-0003 (4x)
- Nut PH CL BU01.00x5mm - SPN-NUT-0018 (6x)
- Nut CPN RH BU01x01.75 - SPN-NUT-0038 (1x)
- Nut RH BU01.00x5mm - SPN-NUT-0001 (1x)
- Pin CL RHD BU01.75 - SPN-PIN-0047 (4x)
- Pin CL RHD BU04.25 - SPN-PIN-0057 (1x)
- Pin CL RHD BU05.75 - SPN-PIN-0063 (1x)
- Shoulder Screw RHD RH BU01.00 - SPN-SSC-0044 (1x)
- Shoulder Screw RHD RH BU01.75 - SPN-SSC-0047 (1x)
- Sign URL SLTD LAY BU03x02x01x01 - SPN-SGN-0001 (1x)
- Pin SPP INR LCT BDR BU01.00x00.50 - SPN-PIN-0094 (1x)
- Washer FXD BU01x00.25 - SPN-WSR-0001 (7x)
- Washer FRE BU01.00x00.25 - SPN-WSR-0038 (6x)
- Wheel GND TTRD FRE BU03.00x01.00 - SPN-WHL-0001 (2x)
- Wheel GND TTRD FXD BU03.00x01.00 - SPN-WHL-0002 (2x)
- Wheel Pulley FXD BRD THREYE BU01.00x01.00 - SPN-WHL0005 (1x)
- Tool Driver NUT SCR PIN THR - SPN-TOL-0001 (1x)
- Tool Spanner NUT - SPN-TOL-0004 (1x)
- Instruction URL sign
Right-click and save the following build plates (.3mf file format).
The files for this and several other STEMFIE projects are available from the central web file repository. Also, if you prefer to have the files synchronized to your computer, consider subscribing to the STEMFIE cloud repositories. For instance, you can clone the STEMFIE GitHub File Repository to your local hard drive and get all updates when you synchronize.
.jpg "Click to enlarge image STEMFIE.org_Rubber_band-driven_car_(sps-000001).jpg")
New STEMFIE projects
Do you want to be the first to know when new STEMFIE projects are released? Please subscribe to the newsletter and follow STEMFIE's social media.
This toy is unsuitable for children under three years due to choking hazards! 
