If you're looking to do a little bit of Christmas-flavoured science with the kids then you could do worse than read this little article.
Can't wait to try SellaTheChemist (npub1w88…lw2w) Fro-Co recipe.
PS The weird symbol in my piece (ϖ) is supposed to be π.
https://www.theguardian.com/science/2025/dec/24/cracker-jokes-chemistry-of-custard-smuggle-science-into-christmas