Showing 487–493 of 493 results
Weight Set, Plastic, Stackable
These colored coded stacking masses help children see mass relationships at a glance. Each color represents a different thickness and mass. Includes plastic storage box.
WEIGHTS (MASSES) FOR WEIGHT BOXES, SPARE$33.00
For above weight boxes
WEIGHTS FOR SONOMETER
Four slotted iron masses of 500g each on a 500g iron hanger.
Weights or masses
Small weights or masses are available in a set or for individual sales in 1 gram, 2 grams, 5 grams, 20 grams and 100 grams.
Wooden Generator Science Kit
Constructing a wooden electric generator is one of the best ways to learn the principles of electric generators. Completed kit is about 4 inches long and 2 inches wide. The wood dowel axle is about 4 inches long.