Simple Machines Block & Tackle

One pulley can be used to change the direction of the force applied by a cord several pulleys can be used to make this simple machine. A small force on the cord can be used to lift a large weight. Experimenting with the device shows why: lifting the block by a short distance requires that the cord be pulled a long distance. This classic wooden model offers children a basic concept of the laws of physics. Desktop sized.

Key Features

Illustrate the principle behind the operation of a simple machine.
Learn basic physics principals in a direct, hands-on fashion.
Model contains a detailed activity guide which includes the history of the model, practical applications and classroom experiments.
Handcrafted from replenishable and durable rubber wood, an eco-friendly sustainable and high quality hardwood.

Additional Supplies Needed to Operate	N
Age	9+ years
Assembly Required	No
Balloon	No
Battery Included	N
Brand	Learning Advantage®
Color	Natural
Contains Aerosol	No
Contains Chemicals	No
Contains Pesticide/Herbicide/Fungicide	No
Contains a Circuit Board	No
Contains a Light Bulb	No
Contains a Marble	No
Contains a Small Ball	No
Contains or is a Small Magnet	No
Eco Friendly	No
Free Flowing Liquid	No
Grade	Grade 4+
Has Warranty	No
Height (in)	4.250000
Is a Marble	No
Is a Small Ball	No
Length (in)	13.380000
MSDS URL	N
Marketing / Educational Features	N
Material	Wood
Media Mail Eligible	No
Other Hazards	No
Package Contains	1 Block & Tackle Student Model, Teacher Guide
Package Count	1
Post-Consumer Recycled Material (%)	N
Pre-Consumer Recycled Material (%)	N
Registered with WERCS	N
Regulated by the US FDA	No
Sharp Points or Edges	No
Small Parts	No
Suitable for Consumption	No
Unit of Measure	ST
Vendor	LEARNING ADVANTAGE
Warranty Details	Please contact customerservice@learningadvantage.com
Warranty Web Address	N
What Makes it Eco Friendly	N
Width (in)	6.630000