Description
- It is made of high quality materials which has a long service life.
- The construction kit will turn non-magnetic objects into electromagnets by introducing low-level current.
- Hold the end of the nail with one hand and the switch with the other hand to turn on the power. Move the nail to the place where the small iron piece is placed and see if it can hold the small iron piece.
- The children's observation skills, thinking and analysis skills can be trained by this product.
- Connect one end of the battery box to the enameled wire end of the coil and the other end to the switch, and then connect the switch to the other end of the coil. Install the battery after the circuit is connected.
