- To see the motion of light.
- PVC Pipes
- T- joints
- Elbow Joints
- Rubber Band
- Drill Machine
- Safety Glasses
- Safety Gloves
Cut 9 pieces of PVC pipes measuring 4 inches, two pieces of 12 inches and 4 pipes of 8 inches.
Arrange all the pipes, T-joints and Elbow joints to form a rectangular base and a handle.
Assemble all the pipes, T-joints and Elbow joints as shown. Make a handle attached to the stand with help of T-joints and 8 inch pipes as shown.
Put a small piece of PVC pipe in the opening end to fix the drum on it.
Drill a small hole on the cap and fix a bolt on it.
Drill a hole on the bigger PVC pipe.
Cut a rubber balloon to make the diaphragm and stick it with a tape.
Tighten the bolt fixed on the cap with the hole on the drum and join the drum with the stand.
Drill a bigger hole on another caps same as the diameter of the laser light.
Cut a small piece of PVC pipe to fix the laser light into it.
Use the small cut part of the PVC pipe and tie it to the laser light with rubber bands.
Fix the laser light into the other end of the stand right in front of the drum with glue, with the cap on the light.
Stick a mirror on the drum with a double-sided tape.
Close all the remaining open ends of the pipes with caps.
Align the laser light to direct the light towards the mirror.
Shout in the drum and see the light dancing.