Horseshoe Electromagnetic Convenient Holder: The holder provides

Convenient Holder: The holder provides secure placement for the sodium light source during experiments

making it an essential component in many experiments

and the diversity of cockroach species

The inclusion of a real scorpion adds an element of fascination and curiosity to the specimen

ABS case included

Horseshoe Electromagnetic Convenient Holder: The holder providesLarge Electromagnet, Dissectible, Deluxe. Designed to demonstrate the basic operation of simple electromagnets. Comprises of two coils, U shape iron core and an armature. On outmost layer of the coils are several turns of plastic coated wires, indicating the winding direction of the coil. Each of the coils has two terminals which can be connected in series or in parallel. When used on 4 6 volt, 1 Amps in parallel the armature can bear a load of more