Light Manipulatives

Prism (10)
Spectroscope (12)
Lens set, acrylic (rectangle, semi-circle, double convex, double concave (1 set)
Lens, glass, double concave, 38mm (3)
Color filters – paper – 3 color w/slot sheets (7 sets)
Color paddles – plastic – blue (5)
Color paddles – plastic – red (5)
Color paddles – plastic – yellow (5)
Color filter, acrylic– blue, green, red, orange & yellow (4) (1) set has 2 blue filter and no red filter
Large acrylic disk