This 200g calibration weight is perfect for general laboratory, commercial or classroom use. You can use it to calibrate digital scales that require 200g of weight. Clearly marked for easy storage.
Recommended for ages 14 and older.
Build 14 assorted solar robots, some of which can travel over water!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
Use this laser pointer for any professional presentation!
The large realistic model has removable organs that can be studied and set back into the correct position.
Build a model green house and 9 other green energy-related devices with this great kit!
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!