Teach or learn basic weight and mass concepts with this set of 52 plastic weights - excellent for use by both teachers and young students or children at home. Each mass is molded from durable plastic, with central recesses to allow for stacking. Each is also color-coded to correspond to the value of each mass. The weight of each is also indicated on the top. Includes forty 1 gram masses, eight 5 gram masses, and four 10 gram masses. Pick up a set for the home or classroom today!
Build over 100 exciting electronic projects with this easy to use kit!
This glass Erlenmeyer mug makes an excellent gift!
This chemistry learning and experiment kit comes with components and chemicals for over 75 amazing experiments!
Working model representing the sun, earth, and moon and their relationships.
Build a magnetic levitating train with this science fair project kit!
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
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