Combination Lock Kit™ – 202.0001

$44.95 + TAX

Combination Lock – Wooden model kit where you make a working combination lock with a four digit combination that you set.

SKU: 202.0001 Category: Tags: , ,

Description

 

Combination - Permutation Lock

This product is Made in the USA in our Shop.

Do you know how a combination lock works? See for yourself with this easy-to-assemble kit. This wooden combination lock makes a great demonstration piece, showing exactly how a combination lock works, using multiple cams on a single disc. You can even set your own combination!

The model is 4″ long × 6″ wide × 3″ high.   You will need yellow wood glue, CA (cyanoacrylate) glue, some paraffin or candle wax and a few common hand tools to assemble this kit.  Please read and follow all instructions in the Instruction Booklet including the Safety Instructions.

Here are a few of the steps to assemble the lock…

 

 

 

Rating

  • Beginner – 4 to 8 hours
  • Apprentice – 2 to 5 hours

Learning Objectives

  • Figure out how a combination lock works.
  • Learn combination lock terminology.
  • Use hands-on construction techniques.
  • Explain how to set a combination.
  • Figure out how many possible combinations there are.
  • Calculate how long it would take to try all possible combinations.
  • Discover the mathematical relationship between pin locations and dial numbers.
  • Learn about the history of combination locks.
  • Assess the environmental lifecycle of this lock kit.

Instruction Booklet

Included in each kit is a printed instruction booklet.  It covers two methods of learning – pictorial examples and text descriptions for each step in the assembly.

Lesson Plan

So, is what we call a combination lock really a combination lock?  Or, perhaps it is not.  Want to know more, look at our lesson plan to find out.

The free lesson plan covers the history of combination locks; lesson suggestions for shop, math, computation science, environment, language arts, and social studies.  The plan includes a rubric for scoring each piece of work that your student delivers.

It contains over 20 separate questions/problems related to helping your student’s understanding of these topics.

Also contained is information as to how to access Linus Yale, Jr.’s patent on the US Patent Office Web Site, another valuable tool to help teach innovation.

And to help you further, the last section contains the answers to the questions/problems including explanations to help with the understanding.

Additional information

Weight 0.63 lbs
Dimensions 5.75 × 8.25 × 2.05 in
Section

Kit, Mechanisms

Series

Locks

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