Here are 25 niyam for Jain kids in a simple, practical way:

1. Always speak truth.
2. Do not hurt any living being.
3. Be kind to all animals and insects.
4. Respect parents, elders, and teachers.
5. Wake up early.
6. Pray daily with devotion.
7. Remember the Navkar Mantra.
8. Eat only pure and clean food.
9. Avoid food that harms living beings.
10. Do not waste water, food, or electricity.
11. Keep your body, clothes, and room clean.
12. Do not be angry.
13. Do not be greedy.
14. Do not lie or cheat.
15. Do not make fun of others.
16. Share with others.
17. Be content with what you have.
18. Avoid too much attachment to toys, games, or things.
19. Study well and learn good values.
20. Help in small household and dharmic tasks.
21. Respect Jain temples, books, and sadhus/sadhvis.
22. Do not damage plants or small creatures.
23. Be disciplined in food, sleep, and habits.
24. Say sorry when you make a mistake.
25. Follow the path of Ahimsa, Satya, and Aparigraha.

Short meaning: These niyams help Jain children grow with good conduct, self-control, compassion, and devotion to Jain Dharma.

If you want, I can also make this into:

• a Gujarati version,
• a poster format,
• or a school-friendly 25 niyam chart.