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.
Find the hidden crystals when you open your own geodes from this fun set.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Head into the lab for an in-depth investigation of genetics and DNA!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
This advanced physics kit is perfect for older children already versed in physics knowledge!
Create beautiful art with this amazing sun paper!