"SI Manufacturing"

Hands-On Investigation of Genetic Inheritance

Four gears of different sizes, perfect for any investigation or maker project.

One edge is graduated 0 to 30 cm with mm divisions.

Thick Plastic Ideal for Classroom Use.

Four meter sticks in one and made of flexible plastic.

Flexible plastic meter stick marked in cm with 1 mm divisions on one side and with alternate-colored dm bars on the other, to show the relationships between units.

Triangle meter stick is measured up to 1 m.

Observe the sky and identify various cloud types with this simple device.

Hang this caddy on a wall or door to easily keep track of your classroom calculators.

Featuring an ultra slim design and dimmable LED technology.

Three 50 cm in diameter cirlces in three colors (red, yellow and blue) are designed for a wide range of counting and sorting activities.

Numbered inserts and a lockable lid make it easy to keep track of your classroom calculators.

Plastic Wheels

How many students can fit into a cubic meter? How many cubic meters can fill a room? The Cubic Meter Set provides a dramatic demonstration of what cubic meters actually look like.

Set of five sturdy plastic measures comes with detachable rings and nests for storage.