Includes one plastic encased magnetic wand with 100 ¾" (2cm) metal rimmed transparent chips.

These strong magnets are encased in plastic to form an easy to hold handle. 7 5/8" (19.4cm) long. Assorted colors. Chips not included.

A complete classroom set of basic electrical components designed with both quality and economy in mind. The Electricity Teacher’s Guide (20814), which contains activities for designing and building simple circuits, switches, series and...

A complete classroom set of basic electrical components designed with both quality and economy in mind. The Electricity Teacher’s Guide (20814), which contains activities for designing and building simple circuits, switches, series and...

The Electricity Teacher’s Guide contains activities for designing and building simple circuits, switches, series and parallel circuits, motors and buzzers.

The Electricity Teacher's Guide contains activities for designing and building simple circuits, switches, series and parallel circuits, motors and buzzers. French edition.

The teacher's guide provides several design & make activities including a pump, car jack, extension grabbing arm and digger.

Fast and easy sequence-based card game to test and reinforce life cycles. Includes frog, butterfly, flowering plant and turtle life cycles. Includes instructions. Bilingual in English and French. Grades 2+

The 16-page teacher's guide covers many basic gearing principles including direction of rotation, idlers, gearing up and down, and compound gearing. Supplies not included.

Plastic bulb holder with two Fahnstock clips for connecting wire. Made of durable plastic. (Bulbs not included.)

This simple switch is constructed from a durable plastic with metal Fahnstock clips for wire attachments.

Excellent quality, free-running pulleys made of rigid plastic for increased durability. Deep V grooves with 50 mm sheaves. Plastic pins allow you to build single, double, or triple sheave pulleys, and hinges can be used to join pulleys....