Some suggestions for what to share with your kids:
The vision of the lampstand or menorah is about the Temple that was going to be rebuilt. The Temple is all about the body of Jesus, who is God who dwells among us. Here is a great video about understanding that idea: https://www.youtube.com/watch?v=wTnq6I3vUbU
Share with your kids some plans you had for life at their age and how those plans changed for the better. Read James 4.13-15 and talk about their plans for life.