1. Copy one handout for each pair of students, and cut the handouts in two.

2. Put the students into pairs, and distribute a half handout to each individual student.

3. Focus students' attention on the instructions. Provide students with a model example to encourage students to speak.

4. Allow students around ten minutes or until the conversation dies down to discuss the three questions related to each invention.

5. Finally, elicit responses from some of the students and draw to their attention any appropriate vocabulary or serious language mistakes.