light and sound sensing lampholder .
It is a good educational toys for School .
Learning the welding and electric Circuits
need more information please contact us.Thanks

light and sound sensing lampholder .
It is a good educational toys for School .
Learning the welding and electric Circuits
need more information please contact us.Thanks

light and sound sensing lampholder .
It is a good educational toys for School .
Learning the welding and electric Circuits
need more information please contact us.Thanks