Verses we used for this topic:
Exodus 6:1-7 - Then the Lord told Moses, “Now you will see what I will do to Pharaoh. When he feels the force of my strong hand, he will let the people go. In fact, he will force them to leave his land!”

2 And God said to Moses, “I am Yahweh—‘the Lord.’[a] 3 I appeared to Abraham, to Isaac, and to Jacob as El-Shaddai—‘God Almighty’[b]—but I did not reveal my name, Yahweh, to them. 4 And I reaffirmed my covenant with them. Under its terms, I promised to give them the land of Canaan, where they were living as foreigners. 5 You can be sure that I have heard the groans of the people of Israel, who are now slaves to the Egyptians. And I am well aware of my covenant with them.

6 “Therefore, say to the people of Israel: ‘I am the Lord. I will free you from your oppression and will rescue you from your slavery in Egypt. I will redeem you with a powerful arm and great acts of judgment. 7 I will claim you as my own people, and I will be your God. Then you will know that I am the Lord your God who has freed you from your oppression in Egypt.

If you want more resources for this you can check this out --> https://ffoz.org/discover/passover/passover-of-the-future.html

Or this book --> https://www.amazon.com/Meeting-Jesus-Feast-Israels-Festivals/dp/1935369008/ref=sr_1_1?crid=3PB1KIBDVA2P6&keywords=meeting+jesus+at+the+feast&qid=1649639823&s=books&sprefix=meeting+jesus+at+%2Cstripbooks%2C108&sr=1-1

For children this book --> https://www.thepeacefulpreschool.com/blog/a-peaceful-passover