getting bigger and are not turning red. I have had a few (5) at the bottom turn red and were delicious. The others have been the same size for 6 weeks and are not turning.
This article will help you.
https://www.gardeningknowhow.com/edible/vegetables/tomato/what-make-tomatoes-turn-red.htm
There are alot of clusters of many tiny blossoms on cherry tomato plant. Would pruning some of the clusters allow more blossoms to develop fruit?
Pruning sucker growth or cutting back long stems will direct energy to fruit production. These articles should help:
https://www.gardeningknowhow.com/edible/vegetables/tomato/pruning-tomato-plants.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossoms-no-tomatoes.htm