---
title: "The invisible pencil eating monster"
date: "2021-10-18T16:22:50+01:00"
modified: "2021-10-18T16:22:55+01:00"
url: "https://understandinghumanism.org.uk/res_activities/the-invisible-pencil-eating-monster/"
post_id: 2930
---

# The invisible pencil eating monster

Can we prove something does not exist?