What was James supposed to add to set off the magic crystals?

ch 4-6

Asked by Bookragstutor 4 on 18 Feb 18:59

Last updated by Cat on 18 Feb 19:16

Answered by Cat on 18 Feb 19:16

James must pour the little green things into a large jug of water and then add 10 of his own hairs to the mixture, one by one.