Pocket metal detector 4M (00-03316)

Go in search of lost treasures! The 4M research kit will be the best helper for a child in the first steps of learning the principles of physics.
A metal detector will help young coin hunters to easily find them on the beach or in the park. As soon as the appliance is next to an iron object, you will hear a signal. The volume can be adjusted at your discretion.
The Science series will help your child develop fine motor skills, thinking, and listening skills. Now there is always something to do on a walk!
No batteries needed.