Teaser in advertising several events at different dates

I am looking for a skilled freelancer to create a teaser for advertising several events at different dates. The events include an inter-students science competition, a mini-symposium, and an international symposium.

The primary goal of the teaser is to attract interest in science, educate the public, and promote tourism.

I have a rough timeframe for the events, but I am open to suggestions for specific dates.

Ideal skills and experience for this job include:
- Experience in creating teasers for events
- Knowledge of science and education
- Creativity in capturing the attention of the target audience
- Strong communication and storytelling skills
- Ability to create visually appealing content
- Understanding of tourism promotion techniques

Samples from URLs in the attached file are the kinda genre we would like to have on the output. Please refer to those.