Joytech Mini Music Tesla Coil DIY Kits Wireless Transmission Experiment Model QD01

2. EDUCATIONAL—- This is a mini DIY tesla kits need to be assembled it is a perfect teaching tool to spark students interest of science also a great gift. 3. LONG TIME LASTIGN—- The secondary coil uses chemical glass as the skeleton which is more stable and more resistant to high temperature than the plastic water pipe. Can works for longer time without break down. Manufactured by Joytech. 4. LOUDSPEAKER—- This tesla is a loudspeaker can play many kinds of music in a great quality.ENDLESS FUN—- This tesla has the function of wireless transmission can light gaseous tubes. 5. SAFE—- Equipped with bigger radiator more stable and safe no safety concern. Video: https://goo.gl/QmgLQs 1. VERY DETAILED USER MANUAL—-We have very detailed user manual include schematic diagram assemble video instruction link in the product package.