12V input voltage to generate an arc about 2mm.
A few simple discrete components condemnation weld can work.
Tesla coil mini small package, making simple, hands-on interest in the production of cultured brain.
This coil will wirelessly light up flash frequency tube, neon, LED and also serves as a learning experience about circuits, electricity and science itself.
Makes it easy for science projects and as a hobby.

Length: 90mm/3.54inch (approx.)
Diameter: 20mm/0.79inch (approx.)
Thickness: 3mm/0.12inch (approx.)

Quantity: 1Pcs

Specifications:
Material: Metal
Product Size: approx. 50*35*50mm/1.96*1.37*1.96”
Net weight: approx. 25g

Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light, the picture may not reflect the actual color of the item.

Package:
1 x PVC Board
1 x Monolithic Capacitors
1 x 10K Resistor
1 x 1K Resistor
1 x 12V Power Socket
1 x Heat Sink
1 x Transistor
1 x Secondary Coil
1 x Fixing Screw
2 x LED

Video: Tesla Coil Invention – Science Test