2pcs High Voltage Generator 3V-6V to 400kV Step-up Power Module Transformer

Lightweight 2pcs High Voltage Module: 400kV Output Ideal for Science Projects

High Voltage Generator 2pcs - Enhance Experiments with 400kV Transformer Modules

AEDIKO 2pcs High Voltage Generator DC 3v-6v to 400kV 400000V Boost 400kv

2pcs High Voltage Power Module - 400kV Transformer for Electronics & Science

2 Pcs High Voltage Boost Module DC 3-6V to 400kV Step-Up Power Supply Board Kit

AEDIKO 2pcs High Voltage Generator DC 3v-6v to 400kV 400000V Boost 400kv

Dual High Voltage Generator - 400000V Step-Up Module for Science Experiments