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Are you a parent or adult responsible for toilet training a child? We need your help to understand toilet training better! 

Get involved with the Big Toilet Project to be part of the world’s biggest toilet training study, the results of which will be shared with you and will also help future children and parents. Your participation will also help us advise governments about how they reduce the amount of plastic pollution caused by disposable baby diapers. So, join us today in making a difference by sharing your opinion and experience!

The first part of the project is a short survey for parents/responsible adults who are currently toilet training or are ready to start toilet training their child. See Participant Information for details. The second part is an optional Toilet Training Diary, where we encourage you to record monthly updates on your child’s toilet training progress. For more information see our Toilet Training Diary Guidelines.

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