How Things Work: Inside Out: Discover Secrets and Science Behind Trick Candles, 3D Printers, Penguin Propulsions, and Everything in Between | Price history
Price change log
11/16/2023: $14.79
11/15/2023: $14.43
08/05/2023: $14.79
08/04/2023: $14.2
07/23/2023: $14.79
07/19/2023: $14.23
07/15/2023: $14.78
07/10/2023: $15.9
07/09/2023: $15.93
05/31/2023: $18.59
03/22/2023: $18.69
02/25/2023: $19.59
11/07/2022: $19.99
09/04/2022: $14.46
09/03/2022: $15.81
09/02/2022: $16.35
09/01/2022: $16.64
07/21/2022: $17.19
07/19/2022: $18.61
07/14/2022: $17.19
06/13/2022: $19.49
04/13/2022: $19.99
04/12/2022: $15.69
04/03/2022: $19.99
03/21/2022: $15
03/20/2022: $18.48
03/19/2022: $19.43
03/18/2022: $19.75
03/10/2022: $19.99
03/09/2022: $15.88
02/28/2022: $19.99
02/06/2022: $14.39
01/24/2022: $14.3
01/23/2022: $19.99
01/10/2022: $14.4
01/09/2022: $19.99
12/27/2021: $15.1
12/17/2021: $19.99
12/04/2021: $17.25
12/02/2021: $19.99
12/01/2021: $16.99
11/29/2021: $19.99
10/14/2021: $17.99
08/30/2021: $19.99
08/23/2021: $17
07/09/2021: $19.99
06/09/2021: $18.39
05/15/2021: $18.32
04/21/2021: $19.99
04/10/2021: $18.39
01/16/2021: $19.99
01/02/2021: $10.29
01/01/2021: $10.37
12/31/2020: $10.17
12/30/2020: $10.23
12/29/2020: $10.3
12/27/2020: $10.36
12/24/2020: $10.49
12/22/2020: $17.99
12/21/2020: $10.41
12/20/2020: $10.48
12/19/2020: $10.55
12/18/2020: $10.63
12/17/2020: $10.69
12/16/2020: $10.77
12/15/2020: $10.83
12/14/2020: $10.9
12/13/2020: $10.94
12/07/2020: $17.99
10/23/2020: $19.99
09/25/2020: $17.99
09/22/2020: $18.32
09/04/2020: $19.99
07/23/2020: $14.79
07/19/2020: $12.64
07/14/2020: $13.48
11/30/2019: $14.79
11/02/2019: $14.76
10/30/2019: $17.39
10/10/2019: $17.36
09/30/2019: $18.59
09/07/2019: $18.53
08/29/2019: $17.99
08/25/2019: $14.9
08/17/2019: $15.75
08/16/2019: $14.9
08/02/2019: $17.99
06/05/2019: $13.99
06/03/2019: $14.82
05/15/2019: $14.87
01/11/2019: $13.99
01/10/2019: $18.53
12/14/2018: $17.99
12/01/2018: $13.99
11/30/2018: $13.13
10/04/2018: $13.99
09/30/2018: $17.99
08/29/2018: $13.99
08/11/2018: $13.42
08/03/2018: $13.99
04/23/2018: $13.42
04/01/2018: $13.99
03/05/2018: $13.15
03/04/2018: $13.58
02/18/2018: $13.99
01/30/2018: $15.95
12/15/2017: $13.99
12/14/2017: $6.4
12/04/2017: $13.97
12/01/2017: $16.04
11/27/2017: $16.12
11/26/2017: $16.19
11/23/2017: $16.29
11/22/2017: $16.16
11/18/2017: $15.61
11/14/2017: $15.06
10/05/2017: $13.99
09/16/2017: $15.68
07/21/2017: $15.13
07/02/2017: $14.45
06/19/2017: $13.78
03/23/2017: $13.51
02/10/2017: $19.99