Simple Machines

Gear Train – Student Model

A system of two or more toothed wheels meshed together so that the motion of one directs the others to employ a force in a direction in which the resistance is to be moved. Excellent for small groups or individual study. Includes a detailed activity gui... More.

SciQuest® Forces, Motion, and Simple Machines Teacher’s Guide

Specific concepts investigated relate to: forces that oppose motion, sliding and rolling friction, the use of levers to multiply force and speed and change direction, simple periodic motion; force couples involving “action and reaction,” the... More.

Lever Set

Contains 62 building elements, storage tray, and two full-color activity cards. Beams and a special weighted brick are used for hands-on activities to explore the three classes of levers. Grade 3 and up. More.

Levers Teacher’s Guide

Specially-designed, 20-page guide to complement the Lever Set (SB22513M). More.

Gears! Gears! Gears!®

95-piece set includes plastic meshing gears, pillars, cranks, connectors, and interlocking plates for endless building possibilities. More.

Power of Science® Kits – Simple Machines

Transform kids into scientists and problem solvers with this innovative kit loaded with thought provoking investigations. Complete kit contains hands-on activities, science materials, and a 32-page teacher’s guide. Grades 4-6. More.

Gear Set

This set of 300 gears offers 40-, 30-, and 20-tooth gears (with a 3/16" bore to accommodate the most popular dowel size) and a 12-tooth gear with a push-fit to 2 mm motor shafts. More.

Wheels and Axles Teacher’s Guide

Specially-designed, 20-page guide to complement the Wheel and Axle Set (SB26581M). More.

Wheel and Axle Set

Contains 75 building elements and two full-color activity cards. Lots of wheels and axles for hands-on activities to explore steering, friction, and winch handles. Packed in a sturdy storage container with a transparent lid. More.

3-D Gears & Wheels

Set includes 485 brightly decorated gears, axles, wheels, tubes, joints, and various kinds of connectors that interlock to create a spectacular and dynamic chain reaction as the vehicle is pushed or pulled around. More.