If you have 6 hours or a half day to spend in Ipswich, there are a few things you could do:
1. Visit the Ipswich Waterfront - take a stroll along the beautiful waterfront and enjoy the picturesque views. There are also plenty of cafes and restaurants where you can grab a bite to eat. Time required: 1-2 hours.
2. Explore Christchurch Park - this beautiful green space in the heart of Ipswich is perfect for a relaxing afternoon. You can explore the park, visit the mansion, or even have a picnic. Time required: 2-3 hours.
3. Visit Ipswich Museum - this museum houses a number of interesting exhibits, including a collection of paintings by John Constable. If you're a history buff, you'll definitely want to check this out. Time required: 1-2 hours.
4. Check out the Ipswich Art Gallery - this gallery hosts regular exhibitions featuring work by local and international artists. It's a great place to experience the art scene in Ipswich. Time required: 1-2 hours.
Overall, there's plenty to see and do in Ipswich, even if you only have a few hours to spare. Whether you're interested in history, art, or simply enjoying the great outdoors, you're sure to find something that you'll love in this charming town.