If you have 2-3 hours to spend in Wantage, there are a few things you could do to make the most of your time:
1. Visit the Vale and Downland Museum - This museum is dedicated to the history of the Vale of White Horse and the surrounding area. Exhibits include displays on the region's geology, archaeology, and natural history. You could easily spend an hour or so here. Admission is free.
2. Explore the Market Place - The heart of Wantage is its Market Place. Take a stroll around and see the historic buildings, shops, and cafes. Be sure to stop by the statue of King Alfred the Great, who was born in Wantage. This should only take 20-30 minutes.
3. Walk along the Letcombe Brook Trail - This lovely trail winds through fields and woods along the Letcombe Brook. You could walk as much or as little of it as you have time for. There are several access points throughout town. Allow 30-60 minutes for a short walk.
4. Grab a bite to eat - There are plenty of places to eat in Wantage, from cafes and pubs to takeaways. If you're short on time, you could grab a snack or drink to go and enjoy it while walking around town.
Overall, there are several things you could do in Wantage to fill a few hours. Choose what appeals to you most based on your interests and how much time you have.