Franzis 65241 metal detector kit franzis 9783645652414 p the franzis metal detector kit is easy to build even with little soldering experience you will be able to assemble the kit quickly as the main circuit board is already pre assembled the remaining components are connected quickly just add a few common household materials yoghurt pot adhesive tape glue and your metal detector will be ready for use p p have you ever lost a treasured metal object in the garden or at the beach