Kindness, love, courtesy, compassion towards children will lead to Paradise ( Jannah) and Protection from Hell fire( Jahannam)
Shaykh ibn ‘Uthaymeen [may Allāh have mercy on him] said:
*“Courteousness towards children and expressing compassion towards them is from the causes of entering Paradise and salvation from the Fire.”*
Sharh Riyādh us-Sāliheen, 3/113| Shaykh ibn ‘Uthaymeen [may Allāh have mercy on him]