Solder your own listening device that allows you to listen to the quietest sounds using the principles of a directional microphone.
Designed in Australia and crafted from durable materials.
This set is the perfect STEM Activity for beginners and does not require previous electronic experience.
The USB soldering iron is quick heating and cooling and features auto turn off.
Please note this product requires 2 x AA batteries (not included)
Product Dimensions: 32cm x 4.5cm x 16cm
Suitable for children aged 12 years+