"SI Manufacturing"

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

A perfect cubic decimeter box that contains exactly 1 liter. Can be used to demonstrate the metric relationships among linear, volume, one and mass measurements.

Plastic Wheels

Designed to illustrate that height is proportional to mass, when diameter is uniform. Set consists of 52 identified masses which are molded to stack. Included are 4 yellow 10 g masses, eight red 5 g masses and 40 blue 1 g masses.

Demonstrate the Relation of Length, Area, and Volume

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

cm/mm on one edge, dm/cm on the other. Shows 1 dm equals 100 mm.

Appropriate for ages 5 and up.

Measures up to: 30 cm, Graduations: dm, cm, mm

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

Durable plastic with metal fahnstock clips for wire attachments.

Four sided meter stick is measured up to 1 cm.

Includes Four Blank Write-and-Wipe Cards

BOARDS WIPE N WRITE 9X11 XY AXIS PK30

NUMBER LINE GIANT LINE WALK

SET DELUXE GEAR BOX W GUIDE

CHART CALANDER POCKET ENGLISH SPANISH

MIRRORS HINGED HINGED PLASTIC 3 X 5