Hollow Acrylic Prism, cube, With Stopper - For Physics and Light Experiments, Hollow inside allows for liquid to be poured into cube, Great for physics classrooms, made from acrylic plates properly cemented together, Excellent tool for optical experiments, Size: 25x25x25mm
Wheel Box, Junior Engineering, has assortment of wheels come in a handy divided utility case, Contains: mdf wheels, plastic dragter wheels, card disk wheels, super wheels, and dowel to be used as axles. There are 401 pcs in all.
Atmospheric Mat with Hook, Measures 10.5 x 10.5 In, durable, thick rubber mat has a simple design that demonstrates a powerful concept - Atmospheric Pressure
Magnetic Field Chamber Height: 4.75in Tall, Od: 3.25in, Idr: 0.75in, Magnet Not Included, Great For The Classroom. Extremely Useful For Students To Visualize Magnetic Fields In Three Dimensions, Instead Of The Usual Two Dimensional Of Most Iron Filings Field Visualizers