Everything you need to build your own Useless Machine. Includes a laser cut enclosure, internal mechanisms, and a link to the complete instructables page with detailed instructions to guide you through building your own Useless Machine. You only need to supply a bit a glue and a few common household tools including a screwdriver, pliers. **** Requires Soldering **** This kit requires soldering and has some small pieces. It is not recommended for children under 14 and all work should be supervised by an adult. Requires 2 AA batteries not included!