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It's easy to grow plants

Examine A Skull Of One Of Humans Closest Relatives

Typical Economic Crops.

Synthetic, iridescent skeletal crystal, average size 1".

Visual examples of genetics at work.

The rounded, differently sized stones make your tank look like a stream bed.

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" dia.

Fast and easy-to-use, this kit contains two dropper bottles for accurate dispensing of test solutions, non-staining test tube with snap cap, and instructions. It comes with enough solution for 130 tests and can be used in either fresh or salt water. Range: 0–8 ppm ammonia.

With no metal corners or panels, these plate glass aquaria allow students to carefully observe aquatic life from all angles.

Sparkling pale blue transparent crystals in vug-like matrix. Average size: 2" x 2". Madagascar.

Large, black, rounded tektite, 1 1/2". Thailand.

Fine quality shark tooth.

Various grasses allow you to compare plant anatomy, and examine why some grasses are viable economic crops. Rapidly growing types are great for testing environmental factors and how they influence growth.

A common economic crop.

Rotifers are well adapted to adverse conditions; when dry, the eggs remain viable for years.

Grow a full garden of TickleMe plants, the mimosa pudica plants, which move with your touch. These sensitive plants can grow up to several feet, but their growth begins with this miniature greenhouse, peat pellets, and seed packet. Watch as your plants emerge, increase in size, and respond to your every touch. Includes instructions.

This specimen block features a real fish skeleton.