Here's a nice and simple speaking activity using comparative and superlative forms. After introducing comparative and superlative forms, you can present this worksheet for a speaking activity with low-level classes. It'll be a good opportunity to consolidate comparatives and superlatives.
A nice speaking activity on comparatives and superlatives
In the worksheet, students go over the questions and fill in with their own ideas. Then, they do pairwork and get answers from their partners. If you have time, they can mingle with each other to complete their questionnaires and get all answers on a chart.
In distance learning, you can ask them to create their own surveys on google forms, realize it online. Be sure to warn them about internet safety rules and ask them to disable their google forms after finishing their surveys.