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Buy from Amazon $7.95$0.01 $10.00 $5.00 $2.50 Aug Nov Feb May Aug Nov Feb May Aug Nov Feb May 2013 2014 2015 2016 $6.25, May 13 - Jun 7$6.26, May 22 - Jun 18$6.25, Jun 7 - Jul 12$7.16, Jul 9 - Aug 9$6.25, Jul 12 - Mar 1$5.99, Mar 2 - Mar 4$6.25, Mar 5 - Aug 7$6.25, Mar 5 - Aug 7$3.96, May 3 - May 29$1.48, May 5 8:21 am$6.25, Mar 5 - Aug 7$3.96, May 3 - May 29$0.94, May 8 4:52 am$6.25, Mar 5 - Aug 7$3.96, May 3 - May 29$0.89, May 9 - May 13$6.25, Mar 5 - Aug 7$3.96, May 3 - May 29$0.88, May 14 - May 17$6.25, Mar 5 - Aug 7$3.96, May 3 - May 29$0.87, May 18 - May 19$6.25, Mar 5 - Aug 7$3.96, May 3 - May 29$0.80, May 20 - May 29$6.25, Mar 5 - Aug 7$3.97, May 30 - Jun 12$0.92, May 30 10:43 am$6.25, Mar 5 - Aug 7$3.97, May 30 - Jun 12$0.99, May 31 - Jun 2$6.25, Mar 5 - Aug 7$3.97, May 30 - Jun 12$0.81, Jun 4 2:16 pm$6.25, Mar 5 - Aug 7$3.97, May 30 - Jun 12$0.93, Jun 7 10:31 pm$6.25, Mar 5 - Aug 7$3.97, May 30 - Jun 12$0.94, Jun 10 4:57 pm$6.25, Mar 5 - Aug 7$5.23, Jun 12 10:46 pm$0.94, Jun 12 10:46 pm$6.25, Mar 5 - Aug 7$5.69, Jun 13 - Jun 19$0.77, Jun 15 10:58 pm$6.25, Mar 5 - Aug 7$5.69, Jun 13 - Jun 19$0.68, Jun 18 9:37 pm$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$0.73, Jun 20 - Jun 21$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$0.65, Jun 21 - Jul 1$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$0.69, Jul 2 7:17 pm$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$0.77, Jul 5 3:07 am$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$0.78, Jul 6 - Jul 14$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$3.07, Jul 16 4:10 pm$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$2.76, Jul 19 9:32 am$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$2.54, Jul 21 7:28 am$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$1.80, Jul 24 11:22 am$6.25, Mar 5 - Aug 7$5.99, Jun 20 - Jul 28$1.10, Jul 27 5:12 am$6.25, Mar 5 - Aug 7$6.00, Jul 28 - Aug 21$0.82, Jul 30 1:32 am$6.25, Mar 5 - Aug 7$6.00, Jul 28 - Aug 21$0.79, Jul 31 - Aug 13$7.16, Aug 8 - Aug 24$6.00, Jul 28 - Aug 21$0.79, Jul 31 - Aug 13$7.16, Aug 8 - Aug 24$6.00, Jul 28 - Aug 21$1.61, Aug 16 8:53 am$7.16, Aug 8 - Aug 24$6.00, Jul 28 - Aug 21$1.31, Aug 18 12:49 pm$7.16, Aug 8 - Aug 24$6.00, Jul 28 - Aug 21$1.37, Aug 21 7:43 pm$7.16, Aug 8 - Aug 24$4.31, Aug 23 - Aug 24$1.20, Aug 23 7:24 pm$6.25, Aug 25 - Nov 11$4.27, Aug 26 11:27 pm$0.43, Aug 26 - Aug 28$6.25, Aug 25 - Nov 11$4.22, Aug 30 9:27 am$0.43, Aug 30 - Sep 30$6.25, Aug 25 - Nov 11$4.21, Aug 31 - Sep 2$0.43, Aug 30 - Sep 30$6.25, Aug 25 - Nov 11$4.20, Sep 4 3:18 am$0.43, Aug 30 - Sep 30$6.25, Aug 25 - Nov 11$4.17, Sep 6 - Sep 10$0.43, Aug 30 - Sep 30$6.25, Aug 25 - Nov 11$4.15, Sep 12 - Sep 14$0.43, Aug 30 - Sep 30$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.43, Aug 30 - Sep 30$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.36, Oct 2 7:41 am$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.28, Oct 4 1:38 pm$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.24, Oct 6 - Oct 17$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.20, Oct 18 7:10 pm$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.12, Oct 22 6:21 am$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.06, Oct 25 1:04 am$6.25, Aug 25 - Nov 11$2.65, Sep 15 - Oct 27$0.02, Oct 27 10:24 am$6.25, Aug 25 - Nov 11$5.57, Oct 30 11:17 am$0.01, Oct 30 - Dec 18$6.25, Aug 25 - Nov 11$4.52, Nov 2 1:54 am$0.01, Oct 30 - Dec 18$6.25, Aug 25 - Nov 11$3.96, Nov 4 9:34 pm$0.01, Oct 30 - Dec 18$6.25, Aug 25 - Nov 11$3.94, Nov 8 9:30 am$0.01, Oct 30 - Dec 18$6.25, Aug 25 - Nov 11$3.92, Nov 11 3:10 pm$0.01, Oct 30 - Dec 18$5.65, Nov 16 - Nov 18$3.89, Nov 16 - Nov 18$0.01, Oct 30 - Dec 18$6.37, Nov 19 - Nov 23$3.90, Nov 20 - Nov 24$0.01, Oct 30 - Dec 18$6.49, Nov 24 - Nov 27$3.90, Nov 20 - Nov 24$0.01, Oct 30 - Dec 18$6.49, Nov 24 - Nov 27$3.88, Nov 27 - Nov 28$0.01, Oct 30 - Dec 18$6.61, Nov 28 - Dec 2$3.87, Nov 29 - Nov 30$0.01, Oct 30 - Dec 18$6.61, Nov 28 - Dec 2$3.86, Dec 1 - Dec 2$0.01, Oct 30 - Dec 18$6.95, Dec 3 - Apr 25$3.84, Dec 4 - Dec 5$0.01, Oct 30 - Dec 18$6.95, Dec 3 - Apr 25$3.82, Dec 8 4:50 am$0.01, Oct 30 - Dec 18$6.95, Dec 3 - Apr 25$3.81, Dec 9 - Dec 10$0.01, Oct 30 - Dec 18$6.95, Dec 3 - Apr 25$3.78, Dec 12 - Dec 18$0.01, Oct 30 - Dec 18$6.95, Dec 3 - Apr 25$3.77, Dec 25 - Dec 26$0.32, Dec 25 4:12 am$6.95, Dec 3 - Apr 25$3.76, Dec 26 - Jan 5$0.27, Dec 26 8:56 pm$6.95, Dec 3 - Apr 25$3.76, Dec 26 - Jan 5$0.33, Dec 30 10:46 am$6.95, Dec 3 - Apr 25$3.76, Dec 26 - Jan 5$0.28, Jan 1 11:46 pm$6.95, Dec 3 - Apr 25$3.76, Dec 26 - Jan 5$0.27, Jan 3 - Jan 4$6.95, Dec 3 - Apr 25$3.75, Jan 5 - Jan 8$0.29, Jan 7 6:52 pm$6.95, Dec 3 - Apr 25$3.73, Jan 10 - Jan 12$0.24, Jan 10 5:53 pm$6.95, Dec 3 - Apr 25$3.72, Jan 12 - Jan 14$0.20, Jan 13 12:53 pm$6.95, Dec 3 - Apr 25$3.71, Jan 15 - Jan 18$0.01, Jan 16 - Jan 28$6.95, Dec 3 - Apr 25$3.72, Jan 19 - Jan 22$0.01, Jan 16 - Jan 28$6.95, Dec 3 - Apr 25$3.71, Jan 23 - Jan 26$0.01, Jan 16 - Jan 28$6.95, Dec 3 - Apr 25$3.69, Jan 27 - Jan 28$0.01, Jan 16 - Jan 28$6.95, Dec 3 - Apr 25$3.68, Jan 29 - Feb 1$0.10, Jan 29 7:40 pm$6.95, Dec 3 - Apr 25$3.68, Jan 29 - Feb 1$0.17, Jan 30 - Feb 2$6.95, Dec 3 - Apr 25$3.67, Feb 2 - Feb 4$0.27, Feb 4 9:43 am$6.95, Dec 3 - Apr 25$3.64, Feb 7 - Feb 8$0.22, Feb 7 3:24 am$6.95, Dec 3 - Apr 25$3.61, Feb 9 - Feb 12$0.18, Feb 9 10:39 pm$6.95, Dec 3 - Apr 25$3.61, Feb 9 - Feb 12$0.14, Feb 12 5:59 pm$6.95, Dec 3 - Apr 25$3.66, Feb 15 - Feb 17$0.29, Feb 15 1:43 pm$6.95, Dec 3 - Apr 25$3.65, Feb 18 - Mar 2$0.36, Feb 18 1:01 pm$6.95, Dec 3 - Apr 25$3.65, Feb 18 - Mar 2$0.32, Feb 21 11:18 am$6.95, Dec 3 - Apr 25$3.65, Feb 18 - Mar 2$0.37, Feb 23 10:56 am$6.95, Dec 3 - Apr 25$3.65, Feb 18 - Mar 2$0.33, Feb 26 8:06 am$6.95, Dec 3 - Apr 25$3.65, Feb 18 - Mar 2$0.38, Mar 1 - Mar 2$6.95, Dec 3 - Apr 25$3.64, Mar 3 - Mar 4$0.34, Mar 3 9:04 pm$6.95, Dec 3 - Apr 25$3.63, Mar 5 - Mar 9$0.26, Mar 6 11:51 pm$6.95, Dec 3 - Apr 25$3.61, Mar 10 - Mar 16$0.39, Mar 10 4:50 am$6.95, Dec 3 - Apr 25$3.61, Mar 10 - Mar 16$0.42, Mar 12 - Mar 16$6.95, Dec 3 - Apr 25$3.59, Mar 17 - Mar 18$0.85, Mar 17 6:53 pm$6.95, Dec 3 - Apr 25$3.58, Mar 20 - Mar 27$0.99, Mar 21 - Mar 23$6.95, Dec 3 - Apr 25$3.58, Mar 20 - Mar 27$0.97, Mar 24 - Mar 27$6.95, Dec 3 - Apr 25$3.60, Mar 28 - Mar 29$0.94, Mar 29 1:12 pm$6.95, Dec 3 - Apr 25$3.59, Mar 30 - Apr 3$0.92, Mar 30 - Apr 3$6.95, Dec 3 - Apr 25$3.58, Apr 5 - Apr 6$2.08, Apr 6 8:40 am$6.95, Dec 3 - Apr 25$3.59, Apr 7 - Apr 11$2.98, Apr 9 2:32 am$6.95, Dec 3 - Apr 25$3.59, Apr 7 - Apr 11$3.05, Apr 11 11:19 pm$6.95, Dec 3 - Apr 25$3.57, Apr 14 5:39 pm$3.03, Apr 14 - Apr 21$6.95, Dec 3 - Apr 25$3.56, Apr 16 - Apr 20$3.03, Apr 14 - Apr 21$6.95, Dec 3 - Apr 25$5.99, Apr 22 11:07 pm$5.56, Apr 22 11:07 pm$6.99, Apr 24 - Apr 25$6.95, Dec 3 - Apr 25$6.00, Apr 24 - Apr 25$6.99, Apr 27 - Apr 30OOS $6.95, Apr 27 - Apr 28$6.00, Apr 27 - Apr 30$6.95, Apr 30 - Jun 14$4.59, May 1 - May 4$3.97, May 1 8:50 pm$6.95, Apr 30 - Jun 14$4.59, May 1 - May 4$3.96, May 3 - May 4$6.95, Apr 30 - Jun 14$4.59, May 7 2:13 pm$3.94, May 7 2:13 pm$6.95, Apr 30 - Jun 14$3.93, May 9 3:19 pm$3.93, May 9 - May 11$6.95, Apr 30 - Jun 14$3.92, May 13 - May 14$3.91, May 13 3:03 am$6.95, Apr 30 - Jun 14$3.92, May 13 - May 14$2.92, May 14 7:17 pm$6.95, Apr 30 - Jun 14$3.90, May 18 4:47 pm$2.80, May 18 4:47 pm$6.95, Apr 30 - Jun 14$3.89, May 20 10:04 pm$2.75, May 20 10:04 pm$6.95, Apr 30 - Jun 14$3.88, May 23 - May 27$2.72, May 23 1:06 am$6.95, Apr 30 - Jun 14$3.88, May 23 - May 27$2.69, May 25 3:21 am$6.95, Apr 30 - Jun 14$3.87, May 29 2:53 pm$2.53, May 29 2:53 pm$6.95, Apr 30 - Jun 14$3.86, May 31 - Jun 3$2.43, May 31 11:06 pm$6.95, Apr 30 - Jun 14$3.86, May 31 - Jun 3$2.33, Jun 3 7:59 am$6.95, Apr 30 - Jun 14$3.85, Jun 5 4:16 pm$2.10, Jun 5 4:16 pm$6.95, Apr 30 - Jun 14$3.95, Jun 7 - Jun 17$1.72, Jun 10 3:21 am$6.95, Apr 30 - Jun 14$3.95, Jun 7 - Jun 17$1.54, Jun 12 3:25 am$6.95, Apr 30 - Jun 14$3.95, Jun 7 - Jun 17$1.44, Jun 14 2:39 am$7.16, Jun 17 - Jul 5$3.95, Jun 7 - Jun 17$1.38, Jun 17 7:57 pm$7.16, Jun 17 - Jul 5$3.94, Jun 19 6:26 pm$1.35, Jun 19 6:26 pm$7.16, Jun 17 - Jul 5$3.92, Jun 23 2:33 pm$1.20, Jun 23 2:33 pm$7.16, Jun 17 - Jul 5$3.91, Jun 25 - Jul 30$0.96, Jun 25 1:24 pm$7.16, Jun 17 - Jul 5$3.91, Jun 25 - Jul 30$0.87, Jun 29 2:02 pm$7.16, Jun 17 - Jul 5$3.91, Jun 25 - Jul 30$0.78, Jul 1 3:57 pm$7.16, Jun 17 - Jul 5$3.91, Jun 25 - Jul 30$0.60, Jul 3 7:26 pm$7.16, Jun 17 - Jul 5$3.91, Jun 25 - Jul 30$0.46, Jul 5 11:34 pm$6.77, Jul 8 - Jul 21$3.91, Jun 25 - Jul 30$0.36, Jul 8 6:19 am$6.77, Jul 8 - Jul 21$3.91, Jun 25 - Jul 30$0.17, Jul 11 9:46 am$6.77, Jul 8 - Jul 21$3.91, Jun 25 - Jul 30$0.01, Jul 15 - Nov 29$6.68, Jul 24 - Jul 30$3.91, Jun 25 - Jul 30$0.01, Jul 15 - Nov 29OOS $6.53, Aug 4 4:30 pm$3.90, Aug 2 - Aug 4$0.01, Jul 15 - Nov 29$6.39, Aug 6 - Aug 10$3.89, Aug 6 1:18 pm$0.01, Jul 15 - Nov 29$6.39, Aug 6 - Aug 10$3.87, Aug 10 - Aug 29$0.01, Jul 15 - Nov 29$6.57, Aug 14 3:27 am$3.87, Aug 10 - Aug 29$0.01, Jul 15 - Nov 29$6.46, Aug 16 - Aug 27$3.87, Aug 10 - Aug 29$0.01, Jul 15 - Nov 29$6.47, Aug 29 - Sep 12$3.87, Aug 10 - Aug 29$0.01, Jul 15 - Nov 29$6.47, Aug 29 - Sep 12$3.86, Aug 31 7:13 am$0.01, Jul 15 - Nov 29$6.47, Aug 29 - Sep 12$3.85, Sep 2 - Sep 6$0.01, Jul 15 - Nov 29$6.47, Aug 29 - Sep 12$3.84, Sep 8 3:31 am$0.01, Jul 15 - Nov 29$6.47, Aug 29 - Sep 12$3.83, Sep 10 - Sep 12$0.01, Jul 15 - Nov 29$6.48, Sep 16 - Sep 21$3.81, Sep 16 - Sep 17$0.01, Jul 15 - Nov 29$6.48, Sep 16 - Sep 21$3.79, Sep 21 9:30 pm$0.01, Jul 15 - Nov 29$6.41, Sep 23 - Sep 29$3.74, Sep 25 9:57 pm$0.01, Jul 15 - Nov 29$6.41, Sep 23 - Sep 29$3.72, Sep 27 9:30 pm$0.01, Jul 15 - Nov 29$6.53, Oct 1 - Oct 4$3.68, Oct 1 11:11 pm$0.01, Jul 15 - Nov 29$6.53, Oct 1 - Oct 4$3.67, Oct 4 1:03 am$0.01, Jul 15 - Nov 29$6.66, Oct 8 - Oct 14$3.60, Oct 10 6:29 am$0.01, Jul 15 - Nov 29$6.66, Oct 8 - Oct 14$3.57, Oct 14 6:18 am$0.01, Jul 15 - Nov 29$6.59, Oct 16 - Oct 18$3.54, Oct 18 4:25 am$0.01, Jul 15 - Nov 29$6.67, Oct 20 - Oct 22$3.65, Oct 20 - Oct 26$0.01, Jul 15 - Nov 29$6.52, Oct 24 - Oct 28$3.65, Oct 20 - Oct 26$0.01, Jul 15 - Nov 29$6.52, Oct 24 - Oct 28$3.64, Oct 28 1:28 am$0.01, Jul 15 - Nov 29$6.60, Oct 30 - Nov 1$3.63, Oct 30 - Nov 1$0.01, Jul 15 - Nov 29$6.46, Nov 7 - Nov 13$3.64, Nov 7 - Nov 9$0.01, Jul 15 - Nov 29$6.46, Nov 7 - Nov 13$3.63, Nov 11 - Nov 26$0.01, Jul 15 - Nov 29$6.39, Nov 17 - Nov 20$3.63, Nov 11 - Nov 26$0.01, Jul 15 - Nov 29$6.47, Nov 22 - Nov 24$3.63, Nov 11 - Nov 26$0.01, Jul 15 - Nov 29$6.48, Nov 26 - Nov 29$3.63, Nov 11 - Nov 26$0.01, Jul 15 - Nov 29$6.48, Nov 26 - Nov 29$3.62, Nov 29 - Dec 1$0.01, Jul 15 - Nov 29$6.49, Dec 1 - Dec 6$3.62, Nov 29 - Dec 1$1.04, Dec 1 2:37 pm$6.49, Dec 1 - Dec 6$3.61, Dec 4 - Dec 9$1.07, Dec 4 - Dec 6$7.95, Dec 9 1:55 am$3.61, Dec 4 - Dec 9$1.20, Dec 9 - Dec 11$6.42, Dec 11 - Dec 16$3.62, Dec 11 - Dec 16$1.20, Dec 9 - Dec 11$6.42, Dec 11 - Dec 16$3.62, Dec 11 - Dec 16$1.15, Dec 14 6:34 am$6.42, Dec 11 - Dec 16$3.62, Dec 11 - Dec 16$1.12, Dec 16 8:07 pm$6.35, Dec 19 - Dec 24$3.61, Dec 19 - Dec 21$1.13, Dec 19 9:42 am$6.35, Dec 19 - Dec 24$3.60, Dec 24 - Jan 5$1.15, Dec 21 - Dec 29$6.28, Dec 29 - Jan 5$3.60, Dec 24 - Jan 5$1.15, Dec 21 - Dec 29$6.28, Dec 29 - Jan 5$3.60, Dec 24 - Jan 5$1.18, Dec 31 - Jan 3$6.28, Dec 29 - Jan 5$3.60, Dec 24 - Jan 5$1.02, Jan 5 3:04 pm$6.40, Jan 8 - Jan 18$3.59, Jan 8 2:45 am$0.57, Jan 8 2:45 am$6.40, Jan 8 - Jan 18$3.58, Jan 10 2:01 pm$0.24, Jan 10 2:01 pm$6.40, Jan 8 - Jan 18$3.80, Jan 13 - Feb 18$0.01, Jan 13 - Feb 2$6.21, Jan 20 - Jan 23$3.80, Jan 13 - Feb 18$0.01, Jan 13 - Feb 2$6.14, Jan 25 - Jan 30$3.80, Jan 13 - Feb 18$0.01, Jan 13 - Feb 2$6.07, Feb 2 - Feb 12$3.80, Jan 13 - Feb 18$0.01, Jan 13 - Feb 2$6.07, Feb 2 - Feb 12$3.80, Jan 13 - Feb 18$1.18, Feb 5 12:08 am$6.07, Feb 2 - Feb 12$3.80, Jan 13 - Feb 18$1.20, Feb 7 - Feb 23$6.00, Feb 15 - Feb 18$3.80, Jan 13 - Feb 18$1.20, Feb 7 - Feb 23$6.01, Feb 20 - Feb 29$4.31, Feb 20 - Mar 5$1.20, Feb 7 - Feb 23$6.01, Feb 20 - Feb 29$4.98, Feb 26 - Mar 5$4.31, Feb 20 - Mar 5$6.02, Mar 5 5:35 am$4.98, Feb 26 - Mar 5$4.31, Feb 20 - Mar 5$6.03, Mar 11 3:08 pm$4.17, Mar 11 3:08 pm$3.75, Mar 11 3:08 pm$5.96, Mar 17 11:12 am$3.46, Mar 17 11:12 am$3.37, Mar 17 11:12 am$5.98, Mar 23 11:06 am$3.45, Mar 23 - Apr 4$1.91, Mar 23 11:06 am$5.99, Mar 29 7:38 am$3.45, Mar 23 - Apr 4$0.81, Mar 29 7:38 am$6.09, Apr 4 4:28 am$3.45, Mar 23 - Apr 4$0.01, Apr 4 4:28 am 16,167444,285 312,500 156,250 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Latest $6.09 Apr 4, '16
Highest $7.95 Dec 9, '15
Lowest $5.65 Nov 16, '14
Average $6.00 (30d avg)
$6.10 (90d avg)
$6.31 (180d avg)
$6.54 (365d avg)
$6.47 (Lifetime average)
Added May 13, 2013

3rd Party New

Latest $3.45 Apr 4, '16
Highest $6.00 Apr 27, '15
Lowest $2.65 Sep 15, '14
Average $3.78 (30d avg)
$3.85 (90d avg)
$3.73 (180d avg)
$3.84 (365d avg)
$3.99 (Lifetime average)
Added May 13, 2013

3rd Party Used

Latest $0.01 Apr 4, '16
Highest $6.99 Apr 27, '15
Lowest $0.01 Apr 4, '16
Average $3.01 (30d avg)
$1.77 (90d avg)
$1.10 (180d avg)
$1.27 (365d avg)
$0.92 (Lifetime average)
Added May 13, 2013

Sales Rank

30 day average: 138,630
90 day average: 137,907

Product Description

Thirteen experiments about the six simple machines --- the lever, wheel and axle, pulley, inclined plane, wedge and screw --- teach kids about basic science. Full-color photographs and step-by-step instructions clearly explain each activity, so that kids can make the most of the machines with minimal help from adults.

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