Product: DIY: Wooden Laser Pistols: For Safe Shooting Practice And Laser Pointer
After developing and testing to get simple yet effective designs, now the 3rd edition book includes 2 electronic targets. Those targets are producing bell sound when hit bullseye. It is like the “ding” sound of a real bullet hits steel target. 
2nd edition book with 5 pistols design includes aluminum laser pistol with wooden grip, vertical & horizontal adjustment for rear sight, and laser beam direction adjustment for better shooting accuracy. Laser gun is easier to adjust accuracy, because it doesn't need bullet to shoot. 
After a successful trial at the 2010 Summer Youth Olympics in Singapore. Use of laser guns open up new venues for gun sports because of the increased levels of safety, as cited from Wikipedia. 
By using laser gun, safety issue is no longer a big consideration, competition can be arranged in crowded public area such as: city park, shopping mall, etc.. The more spectators are expected to watch, the more advertisers are willing to pay. 
You can practice shooting at almost everywhere. Today laser diode can be purchased easily at a very low price. Therefore, laser gun can be fabricated easily at home. You can practice shooting at anytime safely without worrying to hurt people, also without damaging something. This laser gun can also be used as laser pointer for presentation. 
Easy to make optical targets are also explained. Optical targets will help the shooter to see if laser beam hits the mark. They are passive components made of household materials. Optical targets are reflecting and deflecting laser beam without using electrical system. 
Watch YouTube video: 
https://www.youtube.com/watch?v=TGRK6WU19sQ

Search query: laser pointer
Relevance: Exact