The micro:bit is great for getting students to be confident in their ability to code a solution to a problem. All of the needed inputs and outputs are built right into the board to begin learning. Troubleshootin
TinkerCAD is free and only allows working with primitive shapes, yet it is an opportunity to start with digital jewelry design. Wax models can be created from exported files, and in case of lacking detail, they can be carved by hand into something spectacular. Under one thousand dollars, ...