Energy, Light, & Sound

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Perspex Prisms - Set of 7
Perspex Prisms - Set of 7
Item: 74171
Status: In Stock
$44.95
Hold these prisms up to the light and watch as the rays disperse through them and refract off the different angles creating a magical rainbow of mesmerizing colors. Change up the color or the level of brightness on your light source and rotate your prisms to get a variety of different light patterns and colors. Set includes: 7 Polished acrylic prisms in a variety of shapes and sizes, and a Storage box.
Jumbo See-Through Uppercase Letters - Set of 26
Jumbo See-Through Uppercase Letters - Set of 26
Item: 33454
Status: Temporarily Out of Stock
$13.95
3 years and up. This 26 uppercase see-through alphabet set is perfect for little hands to learn how to write letters on a light table and also great for tracing exercises. Each letter measures 2"W x 3"H with raised edges and arrows showing the direction of how each one is drawn.