Carbon, copper, iron, lead and zinc strips. Having a handful of these can be handy in your labs or lessons on electroplating. Can also be great for labs on the electrical conductivity of materials.
Brass slotted weights. Offered in different masses, varying from 1 g to 500 g. A pack of these can be very handy in your lessons or labs on the addition of forces. They also have some use in labs on materials testing.
