: Rubber bands, binder clips, paper clips, and tape.

The book includes safety guidelines and disclaimers for every project. It emphasizes that these creations are for educational and entertainment purposes and should never be used in a way that could cause harm or be directed at people or animals.

: Mint tins, plastic bottles, and cardboard boxes.

, by John Austin, is a DIY guide for crafting various miniature gadgets and spy-themed tools using common household items. The author, a former toy designer, focuses on projects that encourage creative building and the development of fine motor skills. Overview of Projects