How to do the microscope?

Draw the base of the microscope and the processing line of the lens barrel on the cardboard.

2.

Use scissors to cut off the excess parts along the processing line.

3.

Roll the whiteboard paper used to make the lens barrel into a lens barrel corresponding to the caliber of the beverage bottle, stick glue on it, and insert the lens barrel into the lower end of the beverage bottle.

4.

Fold the whiteboard paper used as the base and stick it on the bottom plate.

5.

Fold the cardboard of the lens barrel frame and stick it on the base.

6. Punch a small hole in the connecting strip between the lens barrel frame and the lens barrel.

7. Tighten the joint through the small hole L. ..

8. Bend the iron sheet and stick it on the back of the reflector.

9. Make a mirror bracket with iron sheet and screw the bracket on the base. Finally, the mirror and the bracket are screwed together, and the inclination angle of the mirror can be changed freely.

10. Make a small hole in the center of the bottle cap with an awl.

1 1. Cut a round transparent plastic piece, stick it on the small hole of the beverage bottle cap, put it in the ball at the top of the waste electric bead, and then stick another transparent plastic piece.

12, screw the bottle cap on the bottle.

13, when the simple microscope is ready, twisting the plastic cover can change the clarity of the observed object.