It a special collection of the recital of Juz Amma in which the verses are repeated three times.
For those seeking to memorize the Qur'an, this recitation of Juz'Amma is beneficial for them. Every rhyme of the chapters in the last part of the Qur'an has been repeated thrice in this recitation by the well-known Sheikh 'Ali Al-Hudhaifi, Imam & Khateeb of the Prophet's Mosque, Professor of Islamic University of Madinah.
It can be used everywhere like in your car, home, while going to school, to the Mosque, in the kitchen.
Make Qur'an the Companion of your Child.
Other Sources:
"Reason" vs. "Revelation"-A Discussion by Ibn Taymiyyah