Drawing from your own childhood experiences can be great. We all had those silly and fun moments when we were kids. Share them! Like the time you tried to climb a tree and got stuck. Be honest and add some humorous details. For instance, 'I thought I was a monkey or something. But boy, was I wrong when I couldn't get down!'
One way is to observe daily life carefully. Notice the little things, like a dog chasing its tail or a child's funny reaction to an ice - cream. Then, simply and vividly describe these moments. For example, you can start with 'You won't believe what I saw today...' and then go on to tell the story in a straightforward way.
Another tip is to use exaggeration in a harmless way. If you're telling a story about a fish you caught, you could say 'That fish was so big, it could have swallowed my whole boat!' But make sure the exaggeration doesn't cross the line into false or inappropriate. Also, practice your storytelling skills often. You can start by telling stories to your family or friends and get their feedback.