Hello Linda,
Thank you for your interest in using our materials and tools. Yes you may use our materials for your trainings, however, there's a procedure that you should follow. This is defined in our Use Policy, at /en/use-policy
The policy says (in paragraph #2) that people who want to use CTB materials in workshops for non-profit groups have permission to do so freely, as long as they credit and cite the CTB in their distribution.
Good luck with your training, let us know how it goes.
