This is a link to an STL file for use in a 3D printer. This battery connector puller for Micro:bit is extremely helpful for teachers, consultants, and students. “Easily remove the battery connector from your micro:bit and save your fingernails! This simple tool slides underneath the connector “ears” and allows the connector to be safely pulled out by gently rocking the tool to the side. No more broken wires or fingernails.”