Helping my son roll over

Merissa

Hi mama’s

I’m a new mom of my first child and he’s just about to be 3 months on the 10th

I have 3 questions if anyone can please help me :)

1- how can I help him learn to play with his toys on his Play set that hang from the top

2-what’s the best way to help teach him to roll over

3-how to get him a better routine for sleeping at night around 9-10 instead of 12