3B Scientific GmbH 1002864 Prism Equilateral 30x30x30 Crown Glass Indx 1.515, Grade: Kindergarten to 12 auspowers_batchfour these are great for entertaining

these are great for entertaining at home

We also have a larger size if you need

HOW TO USE-Just turn the knob on top of the salt grinder

FOR INVITES & MORE: This affordable stationery envelope is perfectly sized for 4" x 6" photos

3B Scientific GmbH 1002864 Prism Equilateral 30x30x30 Crown Glass Indx 1.515, Grade: Kindergarten to 12 auspowers_batchfour these are great for entertaining3B Scientific GmbH 1002864 Prism Equilateral 30x30x30 Crown Glass Indx 1. 515, Grade: Kindergarten to 12 Equilateral glass prisms for use on the prism table. Perfect for light and optics experiments using the prism table on stem.. Product Features Material: crown glass Side length: 30 mm For use on the prism table Height: 30 mm Refractive index: 1. 515