1. On PVC tube, fix convex lens using cello-tape, with its curved surface outside.

2. Place 2 pieces of double sided tape above and below rectan-gular window on white foam. Also using screw, fix two plastic strips on 2 sides. Through these strips, the film will pass.

3.Place bulb holder from behind the box and fix using threaded cap.

4.Fix the white foam board in the box near two vertical slits of the box. Fix two ‘double sided’ tapes from two sides to place the board in fixed position.

5.Pass film through the slit, the plastic strips and slit on the other side of the box. The pictures of film should be up-side-down.

6.Slide tube with lens in the round window with the lens facing out.

7.Fix a 20+ watt CFL bulb in the holder. Look at the arrangement in photo-graph. Turn on the bulb and project picture on wall. Adjust tube to focus the picture.