"The Mystery of Lyle and Louise"

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.

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

Brownish black, intermediate stage between peat and bituminous coal.

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

Vector of yellow fever. Unstained.

Heavy metal rods with threaded ends that screw into retort bases.

This life size hand model shows the superficial and internal structures of the human hand, including bones, muscles, tendons, ligaments, nerves, and arteries (superficial and deep palmar arches).

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

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.

For first aid/rescues.

A Great Comparison To a Human Hand.

Simulate multiple generations of Mendellian inheretance.

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.

Need a Quick and Handy First-Aid Reference? Then Get This Flippin Chart

Enhance your TXT 4.0 Base Set robot for competitions.