# Service Sandbox > A tangible co-creation toolkit of twelve card layers that helps teams design digital services together — places, people, devices, sensors, and encounters. Service Sandbox is created by Jane Vita. It is used by product teams, design studios, and university programs as a hands-on alternative to screen-only service design tools. ## Pages - [Home](/): Overview of the toolkit and the twelve layers. - [Toolkit](/toolkit): Browse all twelve layers of cards. - [Method](/method): The four-step Sandbox session method. - [Workshops](/workshops): Workshop formats for teams, studios, and classrooms. - [Downloads](/downloads): Printable PDF deck and per-layer canvases. - [About](/about): Background on the project and its maker.