Abu Ishaq said: A seven-year-old boy from a tribe made a will, so Judge Shurayh said: If the will is valid, then it is permissible. Imam Darimi, may Allah have mercy on him, said: I like this opinion, but the judges do not consider it permissible.
Hadith Referenceسنن دارمي / من كتاب الوصايا / 3315