Electronics Musical Coil Tesla Touch Gift for Valentine's Day Physics Description: Fun scientific experiment: this music tesla coil ma wireless transmission and speaker function, can illuminate gas tube and bubble type. Educational toy: This is an excellent do teaching tool to arouse students' interest in learning, as well as a great gift. Features: It can be used do create high voltage and conduct various scientific experiments, such as wireless power transmission, wireless lighting and withstand insulator voltage test. Advantage: this music tesla ma circuit protection design, will not damage the input device, can play music of better quality than normal speaker. Best Gift: This musical tesla product is the perfect gift for family or friends. Specification: Material: Arcylic Adapter Type: European Standard Size Chart: 9 cm x 9 cm x 3,3 cm/3,54 inch x 3,54 inch x 1,30 inch The package includes: 1 Tesla Music Coil 1 Discharge 2 Ambient light 1 instruction 1 adapter Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin