# Training Wheel 40  * Keyboard Maintainer: [KnoblesseOblige](https://github.com/KnoblesseOblige) * Hardware Supported: Training Wheel 40 PCB * Hardware Availability: https://p3dstore.com/products/tw40-gb Make example for this keyboard (after setting up your build environment): make tw40:default To flash a new firmware plug in the keyboard while holding Esc (top left key) and then run the commands below. Flashing example for this keyboard: make tw40:default:flash See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).