We Now Officially Know How Long It Takes To Poo Out Lego

By Holly Brockwell on at

There's a lot of Very Important Science being done at the moment, and a new study from the Journal of Pediatrics and Child Health is no exception. It involved participants willingly swallowing Lego minifigure heads and waiting to find out how long it took them to come out of the other end.

Eating Lego heads and going spelunking in your toilet to find them might seem like a fanciful lark, but it's presumably very useful to parents whose offspring have nommed on the plastic bricks themselves.

The title of the study is 'Everything is Awesome: Don't Forget the Lego,' a reference to the excellent Everything Is Awesome song from the Lego movie and the blog Don't Forget The Bubbles, which is written by the paediatricians who conducted the study.

The participants in the study, three men and three women, were all paediatric professionals themselves and therefore presumably more dedicated to the cause than the man on the street.

According to Arse, sorry, Ars Technica, they were only allowed into the study if they hadn't had surgery on their guts, had no swallowing issues, and were quite happy to go wading through their turds for little yellow heads.

There are some truly incredible acronyms in the methodology, which have given us a whole new respect for paediatricians:

Pre‐ingestion bowel habit was standardised by the Stool Hardness and Transit (SHAT) score. Participants ingested a Lego head, and the time taken for the object to be found in the participants stool was recorded. The primary outcome was the Found and Retrieved Time (FART) score.


If you're wondering (and we know you are), the results showed that it takes between 1.14 and 3.04 days for a decapitated minifig to pass through your digestive system, although it should be noted that one of the six subjects never found the head. It could still be in there. Science medal for that man. [Main image: MLiu92 via Flickr CC]