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Price Details
New
| Latest |
$6.95 20 hrs ago
|
| Highest |
$6.95 Dec 26, '15
|
| Lowest |
$5.68 Sep 22, '14
|
| Average |
$6.95 (30d avg) $6.95 (90d avg) $6.46 (180d avg) $6.49 (365d avg) $6.28 (Lifetime average) |
| Added |
May 5, 2014 |
3rd Party New
| Latest |
$3.25 20 hrs ago
|
| Highest |
$6.86 Jul 11, '15
|
| Lowest |
$1.29 Nov 28, '14
|
| Average |
$3.69 (30d avg) $3.08 (90d avg) $3.09 (180d avg) $3.20 (365d avg) $2.95 (Lifetime average) |
| Added |
May 5, 2014 |
3rd Party Used
| Latest |
$1.95 20 hrs ago
|
| Highest |
$3.01 Oct 15, '14
|
| Lowest |
$0.01 May 28, '15
|
| Average |
$0.72 (30d avg) $1.40 (90d avg) $1.37 (180d avg) $0.93 (365d avg) $1.00 (Lifetime average) |
| Added |
May 5, 2014 |
Sales Rank
30 day average: 508,252
90 day average: 430,608
Product Description
An introduction to the human body's respiratory system, including an explanation of how lungs are like balloons.
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