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  • Pull, Lift, and Lower: A Book About Pulleys (Amazing Science: Simple Machines)

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Buy from Amazon $7.95$0.98 $10.00 $6.67 $3.33 $0.00 Dec Mar Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $7.15, Sep 14 - Dec 2$7.16, Dec 5 - Jun 10$7.16, Dec 5 - Jun 10$4.21, May 3 - Jun 19$3.50, May 3 - May 5$7.16, Dec 5 - Jun 10$4.21, May 3 - Jun 19$3.49, May 6 - Jun 22$7.15, Jun 10 - Oct 7$4.21, May 3 - Jun 19$3.49, May 6 - Jun 22$7.15, Jun 10 - Oct 7$3.49, May 6 - Jun 22$3.43, Jun 20 - Jun 27$7.15, Jun 10 - Oct 7$3.51, Jun 23 - Jun 27$3.43, Jun 20 - Jun 27$7.15, Jun 10 - Oct 7$4.28, Jun 28 - Jul 16$4.05, Jun 28 - Jul 2$7.15, Jun 10 - Oct 7$4.28, Jun 28 - Jul 16$3.50, Jul 3 4:42 pm$7.15, Jun 10 - Oct 7$4.28, Jun 28 - Jul 16$3.49, Jul 4 - Jul 16$7.15, Jun 10 - Oct 7$3.38, Jul 17 - Jul 20$3.30, Jul 17 - Jul 20$7.15, Jun 10 - Oct 7$4.28, Jul 21 3:35 am$3.49, Jul 21 3:35 am$7.15, Jun 10 - Oct 7$3.24, Jul 23 10:17 am$3.16, Jul 23 10:17 am$7.15, Jun 10 - Oct 7$3.22, Jul 24 - Jul 30$3.14, Jul 24 - Jul 30$7.15, Jun 10 - Oct 7$4.28, Jul 30 - Aug 30$3.49, Jul 30 - Sep 6$7.15, Jun 10 - Oct 7$3.49, Jul 30 - Sep 6$3.15, Aug 31 - Sep 6$7.15, Jun 10 - Oct 7$3.22, Sep 7 - Sep 10$3.13, Sep 7 - Sep 8$7.15, Jun 10 - Oct 7$3.22, Sep 7 - Sep 10$2.22, Sep 10 - Sep 11$7.15, Jun 10 - Oct 7$3.22, Sep 12 - Sep 14$2.46, Sep 12 9:32 am$7.15, Jun 10 - Oct 7$3.22, Sep 12 - Sep 14$2.17, Sep 13 - Sep 14$7.15, Jun 10 - Oct 7$3.21, Sep 15 - Sep 19$3.12, Sep 15 - Sep 18$7.15, Jun 10 - Oct 7$3.21, Sep 15 - Sep 19$2.12, Sep 19 11:23 pm$7.15, Jun 10 - Oct 7$3.49, Sep 21 - Sep 26$2.25, Sep 22 - Sep 28$7.15, Jun 10 - Oct 7$3.21, Sep 28 - Sep 29$2.14, Sep 29 2:57 am$7.15, Jun 10 - Oct 7$3.29, Sep 30 - Oct 2$2.13, Oct 2 9:05 am$7.15, Jun 10 - Oct 7$3.49, Oct 4 - Nov 12$2.09, Oct 4 11:12 am$7.15, Jun 10 - Oct 7$3.49, Oct 4 - Nov 12$1.54, Oct 6 1:07 pm$5.03, Oct 8 5:57 pm$3.49, Oct 4 - Nov 12$1.50, Oct 7 - Oct 8$7.15, Oct 14 - Nov 12$3.49, Oct 4 - Nov 12$0.98, Oct 14 - Oct 21$7.15, Oct 14 - Nov 12$3.49, Oct 4 - Nov 12$3.15, Oct 22 - Nov 12$7.07, Nov 15 - Nov 18$3.54, Nov 15 - Nov 21$3.07, Nov 15 - Nov 18$7.52, Nov 20 - Nov 24$3.50, Nov 22 - Nov 23$3.49, Nov 22 - Nov 23$7.52, Nov 20 - Nov 24$3.54, Nov 24 - Nov 25$3.52, Nov 24 11:59 am$7.21, Nov 25 - Nov 28$3.76, Nov 26 - Dec 1$3.21, Nov 25 - Nov 28$7.35, Nov 29 - Dec 10$3.76, Nov 26 - Dec 1$3.35, Nov 29 - Dec 2$7.35, Nov 29 - Dec 10$4.35, Dec 3 - Dec 9$3.77, Dec 2 - Dec 7$7.35, Nov 29 - Dec 10$4.35, Dec 3 - Dec 9$3.76, Dec 8 2:37 pm$7.27, Dec 11 - Dec 20$4.34, Dec 11 8:58 pm$3.75, Dec 9 - Dec 14$7.27, Dec 11 - Dec 20$4.27, Dec 12 - Dec 20$3.75, Dec 9 - Dec 14$7.27, Dec 11 - Dec 20$4.27, Dec 12 - Dec 20$3.74, Dec 15 9:13 pm$7.27, Dec 11 - Dec 20$4.27, Dec 12 - Dec 20$3.75, Dec 16 - Dec 20$7.52, Dec 29 - Mar 25$4.48, Dec 29 - Jan 16$3.52, Dec 29 - Mar 18$7.52, Dec 29 - Mar 25$4.35, Jan 17 - Feb 14$3.52, Dec 29 - Mar 18$7.52, Dec 29 - Mar 25$3.52, Feb 15 9:20 am$3.52, Dec 29 - Mar 18$7.52, Dec 29 - Mar 25$4.35, Feb 16 - Feb 27$3.52, Dec 29 - Mar 18$7.52, Dec 29 - Mar 25$4.31, Mar 1 - Mar 5$3.52, Dec 29 - Mar 18$7.52, Dec 29 - Mar 25$4.35, Mar 6 - Mar 23$3.52, Dec 29 - Mar 18$7.52, Dec 29 - Mar 25$4.35, Mar 6 - Mar 23$3.49, Mar 19 - Mar 22$7.52, Dec 29 - Mar 25$4.35, Mar 6 - Mar 23$3.50, Mar 23 - Apr 7$7.52, Dec 29 - Mar 25$4.20, Mar 24 - Apr 24$3.50, Mar 23 - Apr 7$7.44, Mar 27 - Mar 30$4.20, Mar 24 - Apr 24$3.50, Mar 23 - Apr 7$7.36, Mar 31 - Apr 3$4.20, Mar 24 - Apr 24$3.50, Mar 23 - Apr 7$7.28, Apr 5 - Apr 11$4.20, Mar 24 - Apr 24$3.50, Mar 23 - Apr 7$7.28, Apr 5 - Apr 11$4.20, Mar 24 - Apr 24$3.59, Apr 9 - Apr 11$7.20, Apr 13 - Apr 17$4.20, Mar 24 - Apr 24$3.58, Apr 17 - Apr 24$7.12, Apr 18 - Apr 21$4.20, Mar 24 - Apr 24$3.58, Apr 17 - Apr 24$7.04, Apr 25 - Apr 30$4.20, Apr 25 - May 31$3.58, Apr 25 - May 3$7.18, May 1 - May 4$4.20, Apr 25 - May 31$3.58, Apr 25 - May 3$7.18, May 1 - May 4$4.20, Apr 25 - May 31$3.65, May 4 - May 6$7.32, May 6 - May 13$4.20, Apr 25 - May 31$3.65, May 4 - May 6$7.32, May 6 - May 13$4.20, Apr 25 - May 31$3.64, May 11 - May 20$7.95, May 14 - Jul 3$4.20, Apr 25 - May 31$3.64, May 11 - May 20$7.95, May 14 - Jul 3$4.20, Apr 25 - May 31$3.66, May 22 - May 27$7.95, May 14 - Jul 3$4.20, Apr 25 - May 31$3.65, May 29 - Jun 3$7.95, May 14 - Jul 3$4.04, Jun 3 5:46 am$3.65, May 29 - Jun 3$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.64, Jun 5 2:23 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.63, Jun 7 - Jun 10$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.62, Jun 12 - Jun 14$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.65, Jun 15 11:39 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.69, Jun 19 7:41 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.68, Jun 21 6:03 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.66, Jun 23 3:37 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.65, Jun 25 2:11 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.64, Jun 27 - Jun 29$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.62, Jul 1 5:03 pm$7.95, May 14 - Jul 3$4.03, Jun 5 - Jul 15$3.66, Jul 3 - Jul 8$6.77, Jul 6 - Jul 21$4.03, Jun 5 - Jul 15$3.66, Jul 3 - Jul 8$6.77, Jul 6 - Jul 21$4.03, Jun 5 - Jul 15$3.65, Jul 11 10:13 am$6.77, Jul 6 - Jul 21$4.03, Jun 5 - Jul 15$3.66, Jul 13 - Jul 15$6.77, Jul 6 - Jul 21$3.73, Jul 17 11:11 am$3.65, Jul 17 11:11 am$6.77, Jul 6 - Jul 21$4.03, Jul 19 - Jul 21$3.71, Jul 21 5:41 amOOS $7.95, Jul 23 - Jul 26$4.28, Jul 23 - Jul 24$3.69, Jul 23 4:41 amOOS $7.95, Jul 23 - Jul 26$4.28, Jul 23 - Jul 24$3.68, Jul 24 9:26 pmOOS $6.70, Jul 28 12:40 pm$4.03, Jul 28 - Aug 12$3.67, Jul 26 - Jul 28$6.70, Jul 30 - Aug 5$4.03, Jul 28 - Aug 12$3.98, Jul 30 - Aug 10$6.63, Aug 6 - Aug 16$4.03, Jul 28 - Aug 12$3.98, Jul 30 - Aug 10$6.63, Aug 6 - Aug 16$3.67, Aug 14 2:31 pm$3.66, Aug 14 2:31 pm$6.63, Aug 6 - Aug 16$4.03, Aug 16 - Aug 31$3.65, Aug 16 - Aug 18$6.56, Aug 18 - Aug 26$4.03, Aug 16 - Aug 31$3.65, Aug 16 - Aug 18$6.56, Aug 18 - Aug 26$4.03, Aug 16 - Aug 31$3.64, Aug 20 7:33 am$6.56, Aug 18 - Aug 26$4.03, Aug 16 - Aug 31$3.61, Aug 24 - Aug 30$6.57, Aug 28 - Sep 4$4.03, Aug 16 - Aug 31$3.61, Aug 24 - Aug 30$6.57, Aug 28 - Sep 4$3.67, Sep 2 8:47 pm$3.61, Sep 2 8:47 pm$6.57, Aug 28 - Sep 4$4.03, Sep 4 - Sep 22$3.60, Sep 4 8:00 pm$6.58, Sep 8 - Sep 14$4.03, Sep 4 - Sep 22$3.59, Sep 8 - Sep 22$6.59, Sep 16 - Sep 22$4.03, Sep 4 - Sep 22$3.59, Sep 8 - Sep 22$6.52, Sep 24 - Oct 2$4.01, Sep 24 - Sep 30$3.58, Sep 24 12:08 pm$6.52, Sep 24 - Oct 2$4.01, Sep 24 - Sep 30$3.57, Sep 26 - Sep 30$6.45, Oct 4 - Oct 10$3.81, Oct 2 - Oct 16$3.55, Oct 2 - Oct 12$6.38, Oct 12 - Oct 14$3.81, Oct 2 - Oct 16$3.55, Oct 2 - Oct 12$6.39, Oct 16 - Oct 20$3.81, Oct 2 - Oct 16$3.52, Oct 16 - Oct 18$6.39, Oct 16 - Oct 20$4.03, Oct 18 - Nov 16$3.52, Oct 16 - Oct 18$6.39, Oct 16 - Oct 20$4.03, Oct 18 - Nov 16$3.65, Oct 20 - Oct 26$6.40, Oct 22 - Oct 30$4.03, Oct 18 - Nov 16$3.65, Oct 20 - Oct 26$6.40, Oct 22 - Oct 30$4.03, Oct 18 - Nov 16$3.64, Oct 28 7:22 pm$6.40, Oct 22 - Oct 30$4.03, Oct 18 - Nov 16$3.63, Oct 30 - Nov 10$6.33, Nov 1 - Nov 8$4.03, Oct 18 - Nov 16$3.63, Oct 30 - Nov 10$6.26, Nov 10 - Nov 12$4.03, Oct 18 - Nov 16$3.63, Oct 30 - Nov 10$6.26, Nov 10 - Nov 12$4.03, Oct 18 - Nov 16$3.62, Nov 12 - Nov 16$6.27, Nov 14 - Nov 16$4.03, Oct 18 - Nov 16$3.62, Nov 12 - Nov 16$6.38, Nov 18 - Nov 20$3.63, Nov 18 - Nov 30$3.19, Nov 18 - Dec 7$6.31, Nov 23 - Nov 25$3.63, Nov 18 - Nov 30$3.19, Nov 18 - Dec 7$6.24, Nov 27 - Dec 5$3.63, Nov 18 - Nov 30$3.19, Nov 18 - Dec 7$6.24, Nov 27 - Dec 5$3.61, Dec 2 - Dec 10$3.19, Nov 18 - Dec 7$6.17, Dec 7 - Dec 15$3.61, Dec 2 - Dec 10$3.19, Nov 18 - Dec 7$6.17, Dec 7 - Dec 15$3.61, Dec 2 - Dec 10$3.16, Dec 10 4:07 am$6.17, Dec 7 - Dec 15$3.63, Dec 12 - Dec 17$3.14, Dec 12 5:53 pm$6.17, Dec 7 - Dec 15$3.63, Dec 12 - Dec 17$3.11, Dec 15 7:15 am$6.10, Dec 17 - Dec 25$3.63, Dec 12 - Dec 17$3.08, Dec 17 8:51 pm$6.10, Dec 17 - Dec 25$3.61, Dec 20 - Jan 4$3.06, Dec 20 9:52 am$6.10, Dec 17 - Dec 25$3.61, Dec 20 - Jan 4$3.17, Dec 22 9:45 pm$6.10, Dec 17 - Dec 25$3.61, Dec 20 - Jan 4$3.14, Dec 25 8:05 am$6.03, Dec 28 - Jan 4$3.61, Dec 20 - Jan 4$3.18, Dec 28 2:43 am$6.03, Dec 28 - Jan 4$3.61, Dec 20 - Jan 4$3.15, Dec 30 - Jan 2$6.03, Dec 28 - Jan 4$3.61, Dec 20 - Jan 4$3.18, Jan 4 11:54 am$5.96, Jan 6 - Jan 14$3.60, Jan 6 - Jan 14$3.10, Jan 6 11:13 pm$5.96, Jan 6 - Jan 14$3.60, Jan 6 - Jan 14$3.19, Jan 9 - Feb 6$5.98, Jan 16 - Jan 24$3.59, Jan 16 11:04 pm$3.19, Jan 9 - Feb 6$5.98, Jan 16 - Jan 24$3.58, Jan 19 - Jan 27$3.19, Jan 9 - Feb 6$5.99, Jan 27 - Feb 3$3.58, Jan 19 - Jan 27$3.19, Jan 9 - Feb 6$5.99, Jan 27 - Feb 3$3.57, Jan 29 5:59 pm$3.19, Jan 9 - Feb 6$5.99, Jan 27 - Feb 3$3.56, Feb 1 6:28 am$3.19, Jan 9 - Feb 6$5.99, Jan 27 - Feb 3$3.55, Feb 3 8:21 pm$3.19, Jan 9 - Feb 6$6.00, Feb 6 - Feb 9$3.58, Feb 6 10:51 am$3.19, Jan 9 - Feb 6$6.00, Feb 6 - Feb 9$3.57, Feb 9 - Feb 14$2.01, Feb 9 12:49 am$6.01, Feb 11 - Feb 19$3.93, Feb 11 3:24 pm$3.57, Feb 9 - Feb 14$6.01, Feb 11 - Feb 19$3.91, Feb 14 7:44 am$3.57, Feb 9 - Feb 14$6.01, Feb 11 - Feb 19$3.81, Feb 17 1:27 am$3.56, Feb 17 1:27 am$6.01, Feb 11 - Feb 19$3.79, Feb 19 - Feb 22$3.55, Feb 19 - Feb 28$6.02, Feb 22 - Feb 25$3.79, Feb 19 - Feb 22$3.55, Feb 19 - Feb 28$6.02, Feb 22 - Feb 25$3.80, Feb 25 - Mar 8$3.55, Feb 19 - Feb 28$6.03, Feb 28 - Mar 8$3.80, Feb 25 - Mar 8$3.55, Feb 19 - Feb 28$6.03, Feb 28 - Mar 8$3.80, Feb 25 - Mar 8$3.54, Mar 3 2:44 am$6.03, Feb 28 - Mar 8$3.80, Feb 25 - Mar 8$3.53, Mar 8 - Mar 15$6.04, Mar 15 1:38 am$3.53, Mar 8 - Mar 15$2.04, Mar 15 - Mar 26$6.05, Mar 20 - Mar 26$3.54, Mar 20 - Mar 26$2.04, Mar 15 - Mar 26 11,842531,275 410,156 273,438 136,719 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr 2015 2016

Price Details

New

Latest $6.05 Mar 26, '16
Highest $7.95 Jul 23, '15
Lowest $5.03 Oct 8, '14
Average $6.04 (30d avg)
$6.01 (90d avg)
$6.16 (180d avg)
$6.69 (365d avg)
$7.00 (Lifetime average)
Added Sep 14, 2013

3rd Party New

Latest $3.54 Mar 26, '16
Highest $4.05 Jun 28, '14
Lowest $3.21 Sep 28, '14
Average $3.54 (30d avg)
$3.57 (90d avg)
$3.59 (180d avg)
$3.62 (365d avg)
$3.57 (Lifetime average)
Added Sep 14, 2013

3rd Party Used

Latest $2.04 Mar 26, '16
Highest $4.48 Dec 29, '14
Lowest $0.98 Oct 14, '14
Average $3.11 (30d avg)
$3.23 (90d avg)
$3.42 (180d avg)
$3.76 (365d avg)
$3.76 (Lifetime average)
Added Sep 14, 2013

Sales Rank

30 day average: 65,655
90 day average: 77,636

Product Description

Describes many different kinds, uses, and benefits of pulleys. Provides examples of pulleys by showing a flagpole, a crane, an elevator and window blinds.

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