"solar binocular"

Study Eleven Celestial Objects with Light–up Sun

VIAL BLUE COLORED WATER

This device shows how the sun's appearance changes over a period of one month.

These affordable microscopes include a number of high-quality features.

FEATHER NATURAL COLOR PKG/50

Ultra-low focus control, angled viewing head, and interpupillary / dioptric adjustments make this microscope comfortable to use.

Simulates Seasons, Phases of the Moon and More

The HOBO® Rain Gauge system is battery powered and includes a HOBO® Pendant Event data logger with a tipping-bucket rain gauge.

Middle and High School STEM.

Demonstrate the conversion energy into different forms.

Crisp, detailed views at an affordable price.

Visualize fusion and energy.

BALLOON ROUND ASST COLOR 9IN DIA PK6

This sensor is used to measure voltages in the range of -30 to +30 volts.

This calculator features large keys and an angled LCD display for simple use.

Explore alternative energy with a DIY hands-on turbine model.