Purity: Children and Insane Persons Touching the Qur’an
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 317:
It is not obligatory to prevent a child or an insane person from touching the writing of Qur’an. However, if their touching the Qur’an is deemed to be disrespectful to it, then one must prevent them from touching it.
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)