Harriet the Spy is an easy DIY costume that can be put together with almost no notice or little effort. Because really who has the time to spend hours on a Halloween costume?
![Harriet the Spy last minute Halloween costume with red hoodie, flashlight, magnifying glass, fake glasses, composistion notebook and free downloadable sticker for notebook to make the look official.](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/harriet-the-spy-halloween-costume-easy-diy-with-free-printable-download-sticker-scaled.jpg)
![Woman in zipped up red hoodie for a Harriet M. Welsch aka Harriet the Spy Halloween costume DIY idea.](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/easy-last-minute-halloween-costume-for-girls-and-women-with-free-printable-sticker-scaled.jpg)
This one is such an easy option if you need a last-minute Halloween or book character costume!
Most of the main items needed for any Harriet the Spy costume are things you probably already have:
1 – Red hoodie
2 – Converse sneakers
3 – Jeans
4 – Flashlight
5 – Magnifying glass, binoculars, or something else useful for spying
6 – A notebook (black and white composition is best)
7 – Fake glasses (optional)
To make your Harriet costume official and “spy route” ready, print this free printable Harriet M. Welsch PRIVATE sticker to put on your notebook!
![Free printable Harriet M. Welsch PRIVATE sticker for composition notebook to easily complete Harriet the Spy last-minute DIY halloween costume.](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/free-printable-sticker-download-for-harriet-the-spy-last-minute-costume-for-halloween-or-book-character-day-scaled.jpg)
![Free printable sticker for Harriet the Spy costume on a composition notebook.](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/free-downloadable-printable-harriet-m-welsch-private-sticker-for-notebook-for-quick-and-easy-diy-harriet-the-spy-womens-and-girls-costume-for-halloween-scaled.jpg)
No fake glasses lying around for a last-minute costume? No problem. This costume works without fake spy glasses too!
![Harriet the Spy DIY halloween costume option without fake glasses. With only red hoodie, converse sneakers, jeans, flashlight and free sticker for notebook.](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/harriet-the-spy-book-character-easy-last-minute-costume-idea-with-free-printable-name-tag.jpg)
![Harriet the Spy book character costume DIY without fake glasses but using a free printable Harriet M. Welsch PRIVATE sticker for notebook.](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/easy-diy-halloween-costume-with-household-items-harriet-the-spy-with-free-printable-scaled.jpg)
Happy costume making!
![](https://www.hellosmallworld.com/blog/wp-content/uploads/2023/10/r-post-sig.jpg)