"Ward's Phenomena Lab Activities"

Twelve of the most widely used weights on a rack for convenient storage and transport.

Hooked Iron Weights with cylindrical bodies stamped with weight, cone-shaped tops, and bottom bar and slot to hang additional weights.

Set of 9 zinc-casted slotted masses with one hanger each of 50 g, total weight of 500 g. For use in physics experiments and demonstrations.

Set of 9 zinc-casted slotted masses with one hanger each of 20 g, total weight of 180 g. For use in physics experiments and demonstrations.

High quality for the classroom.

Wonderful for elementary school learning.