Learn and build your own metal detector and then then use it to search for buried treasure.
Sensitive detector with LED indicator and sound alarm. Built in 3X magnifying lens.
Solderless connections and simple, clean snap together assembly. Powered using safe low voltage batteries (not included).
Ideal for any inquisitive mind aged 14 years and over. Children should only use under competent adult supervision. Suitable for schools and other educational establishments as a practical teaching aid.