Artec electronic music box (for liquid battery experience) 4521718636139

An electronic music box suitable for electrical experiments such as voltaic batteries and hand-cranked generators.An electronic music box suitable for electrical experiments such as voltaic batteries and hand-cranked generators.Song title/Happy Birthday, Operating voltage 1.3 to 3.5V, Power consumption 400mA 80 x 30 x 3 mm (lead wire not included) Happy Birthday 3g No material description