"solar binocular"

Attractive Bottom Cover Enhances Natural Filtration and Nitrogen Cycling. Gravel contains no lead or chrome and won’t change the pH or chemistry of the tank. Pebble sizes up to ¹/₄" diameter.

Sorted colors. Plastic beads have 3.5 mm hole and 13 mm diameter. Set of 216.

Pencil set with 12 assorted colors.

Illuminate the variances between additive and subtractive color mixing

Lightweight and Abrasion-Resistant

Great example of plant cells and mitosis.

Explore The Absorption of Light

Stickers, Asst Colors,

Filter Support Collar is a sturdy, molded rubber filter disc.

Set of color filters to be used with ray box

Food colors in dropper bottles.

Precisely designed and ruggedly built, this easy-to-use spectrophotometer with a large digital display is ideal for student use in high schools and colleges.

These signs provide helpful reminders to promote safety in the laboratory.

Whole mount

What Happens When You Combine All Colors of Light?

Soft, Pliable, Reusable.