This 100g calibration weight is perfect for general laboratory, commercial or classroom use. You can use it to calibrate digital scales that require 50g of weight. Clearly marked for easy storage.
With this cool electronic kit you get to assemble your own mini electric guitar!
This 10 inch realistic model has removable organs that can be studied and set back into the correct position!
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
This is a classic demonstration toy of the powers of magnetic fields!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.