"إذا حج الصبي فهي له حجة حتى يعقل فإذا عقل عليه حجة أخرى وإذا حج الأعرابي فهي له حجة فإذا هاجر فعليه حجة ¤ أخرى"
The Prophet (peace and blessings be upon him) said:
"When a child who has not reached puberty performs Hajj, it counts for him as a (voluntary) Hajj until he comes of age (reaches puberty); when he reaches puberty, another (obligatory) Hajj is due from him. And when a Bedouin performs Hajj, it is a Hajj for him; then when he migrates, another Hajj is due from him."
Hadith Referenceصحیح الجامع الصغیر / حرف الألف / 485
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[ك] عن ابن عباس. الإرواء ٩٨٦: ابن خزيمة، الضياء.