Walk or hire a bicycle to get around Delft - this way you'll see more. For the less energetic there are horse drawn coaches as well
Take a boat trip in Delft. You'll like it as much as in Amsterdam.
The link is in Dutch, German, English and French.
Delft is easily accessible by train. The train station is not very far away from the city center.
The picture shows the train station and the numerous bicycles parked there.