How can a kindergarten student explain the contrast and compare of how cars and bicycles were in the past to how they are in the present?

Sure! Here are some sample sentences that a kindergarten student can use to explain the contrast and compare of how cars and bicycles were in the past to how they are in the present:

1. "Long ago, cars were really big and slow, but now they are smaller and faster."
2. "In the old days, bicycles were heavy and plain, but now they are light and colorful."
3. "People used to ride horses or walk a lot, but now they use cars and bicycles more to go places."
4. "Cars and bicycles have changed a lot over time and are much more modern and cool now."
5. "I like that cars and bicycles are faster and prettier now than they were in the past."

A kindergarten student can explain the contrast and compare of how cars and bicycles were in the past to how they are in the present by saying:

In the past, cars and bicycles looked different than they do now. Cars used to be slower and bigger, while now they are faster and smaller. Bicycles used to be made of heavier metal, but now they are lighter and have more colors. People used to ride horses or walk more often in the past, but now cars and bicycles are more popular for getting around. Overall, cars and bicycles have changed a lot over time and are more advanced and modern now.

Can you give sample sentences to how kindergarten student can explain this?