"The Mystery of Lyle and Louise"

Brownish black, intermediate stage between peat and bituminous coal.

Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

Used to investigate wavelength in air.

Play sand provides tactile and sensory stimulation necessary for the development of a child's imagination, hand-eye coordination, and fine motor skills such as shoulder stability, forearm rotation, wrist control, and hand strength. Play sand also encourages creativity, visualization and social interaction.

Measure grip strength, pinch strength, and muscle fatigue wirelessly with Go Direct® Hand dynamometer.

Examine how a microscope works.

Explore our planet like never before!

This 3 part hand skeleton model shows the anatomical detail of the ligaments and tendons found in the hand, wrist, and lower forearm.

Vector of yellow fever. Unstained.

Soft non-woven outer facing wicks moisture into a cellulose core, which quickly absorbs and disperses fluid.

Multipurpose stirring rods featuring dual button ends and a 6 mm (0.25" ) diameter, these borosilicate glass stirring rods offer precise stirring for laboratory or home use, ideal for stirring, scooping, circulating and crushing.

A Great Comparison To a Human Hand.

Simulate multiple generations of Mendellian inheretance.

For first aid/rescues.

Multipurpose stirring rods with rounded ends and a 6 mm (0.25") diameter, these borosilicate glass stirring rods are excellent for laboratory or home use, providing efficient mixing capabilities.

Enhance your TXT 4.0 Base Set robot for competitions.