Toy Magnetic-Mineral Radio 「 Science 」 for Adults

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Product Description ■ This is a radio that does not use batteries and waves without using batteries.
The detector uses four types of minerals (galena, pyrite, etc.).
You can experiment with which minerals are good, and you can also experiment with detection using pencil leads and nails.
The large loop antenna that enables high-sensitivity reception catches radio waves. You can also experiment with other minerals in the kit.
Assembly takes 2 to 3 hours. No special tools are necessary and anyone can make it easily.
By assembling and experimenting on their own, you can understand the radio waves and detection mechanism.
[Product Details]

Assembly Part 1 Set, Ore, Earphone, Owner's Manual
Size when assembled : 150 x 600 x 800 mm
Target age : 13 years or older