Thames & Kosmos Structural Engineering: Bridges & Skyscrapers | Science & Engineering Kit | Build 20 Models | Learn about Force, Load, Compression, Tension | Parents' Choice Gold Award Winner, Blue | Price history
Price change log
01/18/2023: $37.99
01/03/2023: $38.79
12/30/2022: $37.99
12/26/2022: $39.99
12/25/2022: $37.99
05/04/2022: $39.98
04/27/2022: $49.99
04/26/2022: $49.9
04/25/2022: $49.99
04/24/2022: $47.31
04/07/2022: $49.99
03/27/2022: $49.95
02/26/2022: $44.99
02/11/2022: $44.9
02/10/2022: $49.99
02/09/2022: $50.99
02/08/2022: $49.99
02/07/2022: $50.99
02/05/2022: $49.99
02/02/2022: $50.99
02/01/2022: $49.95
01/19/2022: $36.93
01/17/2022: $37.33
12/22/2021: $49.95
12/13/2021: $37.46
10/29/2021: $49.95
10/25/2021: $44.9
10/15/2021: $39.99
09/29/2021: $44.9
09/09/2021: $33.99
09/08/2021: $39.98
06/24/2021: $33.99
06/23/2021: $39.98
06/20/2021: $33.74
06/15/2021: $39.98
06/07/2021: $44.9
06/05/2021: $39.99
06/04/2021: $44.9
03/10/2021: $39.98
12/09/2020: $49.95
12/01/2020: $39.96
11/28/2020: $49.9
11/27/2020: $49.44
11/25/2020: $48.94
11/22/2020: $32.59
11/21/2020: $44.36
11/20/2020: $45.9
11/19/2020: $48.04
11/09/2020: $37.46
10/14/2020: $44.31
10/13/2020: $43.59
10/06/2020: $42.99
10/05/2020: $37.99
09/25/2020: $42.99
09/24/2020: $44.39
09/23/2020: $39.99
09/19/2020: $44.34
09/17/2020: $37.99
09/03/2020: $44.34
08/17/2020: $43.09
08/11/2020: $42.94
08/10/2020: $39.51
08/09/2020: $39.37
08/08/2020: $37.8
08/07/2020: $39.32
08/06/2020: $39.63
08/05/2020: $39.51
08/04/2020: $39.32
08/03/2020: $39.53
07/02/2020: $39.98
04/10/2020: $39.76
03/25/2020: $39.82
03/24/2020: $39.85
03/22/2020: $39.9
03/21/2020: $39.94
03/20/2020: $39.96
03/19/2020: $42.73
03/18/2020: $42.76
03/17/2020: $42.79
03/15/2020: $42.82
03/13/2020: $42.88
03/12/2020: $42.91
03/11/2020: $42.94
03/08/2020: $42.98
03/06/2020: $43.04
03/05/2020: $43.11
03/04/2020: $43.14
03/03/2020: $43.22
03/02/2020: $43.27
03/01/2020: $42
02/29/2020: $42.02
02/28/2020: $43.74
02/27/2020: $43.8
02/25/2020: $43.86
02/24/2020: $34.78
02/23/2020: $34.65
02/22/2020: $32.65
02/21/2020: $32.68
02/20/2020: $33.34
02/19/2020: $34.2
02/18/2020: $34.69
02/17/2020: $34.65
02/16/2020: $34.38
02/15/2020: $34.46
02/14/2020: $34.83
02/13/2020: $35.76
02/12/2020: $35.26
02/11/2020: $34.77
02/10/2020: $35.19
02/09/2020: $36.61
02/08/2020: $35.61
02/06/2020: $36.09
02/05/2020: $35.83
02/04/2020: $34.92
02/03/2020: $34.31
02/02/2020: $35.81
02/01/2020: $35.41
01/31/2020: $35.38
01/29/2020: $35
01/28/2020: $35.1
01/27/2020: $35.22
01/26/2020: $35.89
01/22/2020: $36.46
01/21/2020: $36.62
01/20/2020: $36.84
01/18/2020: $37.91
01/16/2020: $37.62
01/15/2020: $37.54
01/12/2020: $37.43
01/11/2020: $37.36
01/10/2020: $37.24
01/09/2020: $37.17
01/08/2020: $37.37
01/07/2020: $37.7
01/06/2020: $38.29
01/05/2020: $38.62
01/04/2020: $44.05
01/02/2020: $44.22
01/01/2020: $45.02
12/31/2019: $45.57
12/25/2019: $49.12
12/15/2019: $44.99
12/10/2019: $39.96
12/08/2019: $35.51
12/07/2019: $33.22
12/05/2019: $34.25
11/23/2019: $44.7
11/14/2019: $37.46
11/13/2019: $44.99
11/12/2019: $31.49
11/11/2019: $44.99
10/12/2019: $44.7
09/30/2019: $44.99
09/28/2019: $44.7
09/07/2019: $44.99
09/03/2019: $45.73
08/28/2019: $44.99
08/26/2019: $44.93
08/21/2019: $44.99
08/12/2019: $47.51
08/02/2019: $44.99
07/29/2019: $47.51
07/26/2019: $44.99
07/22/2019: $47.51
07/12/2019: $44.99
07/08/2019: $47.51
07/04/2019: $44.99
07/01/2019: $47.51
06/28/2019: $44.99
06/25/2019: $43.07
06/24/2019: $48.24
06/20/2019: $44.99
06/19/2019: $49.95
06/18/2019: $41.74
06/17/2019: $38.4
06/16/2019: $37.74
06/15/2019: $37.78
06/12/2019: $38.04
06/11/2019: $37.87
06/09/2019: $37.83
06/08/2019: $37.78
06/07/2019: $38.56
06/06/2019: $40.52
06/05/2019: $42.85
06/04/2019: $44.84
05/30/2019: $44.99
05/29/2019: $48.76
05/23/2019: $44.99
05/20/2019: $48.76
05/17/2019: $44.99
05/14/2019: $48.76
04/09/2019: $37.46
04/04/2019: $48.76
03/27/2019: $44.54
03/22/2019: $44.42
03/14/2019: $44.25
03/04/2019: $44.42
02/26/2019: $44.54
02/24/2019: $40.72
02/23/2019: $40.79
12/28/2018: $45.31
12/25/2018: $42.06
12/24/2018: $53.87
12/23/2018: $45.31
12/22/2018: $53.71
12/20/2018: $53.79
12/19/2018: $53.95
12/18/2018: $52.86
12/17/2018: $54.09
12/10/2018: $39.96
12/04/2018: $45.31
11/25/2018: $34.5
11/24/2018: $34.95
11/23/2018: $34.98
10/08/2018: $35
10/07/2018: $36.57
10/06/2018: $39.41
09/24/2018: $39.95
09/21/2018: $39.41
09/19/2018: $37
09/18/2018: $37.35
09/16/2018: $39.23
09/15/2018: $39.71
07/17/2018: $40.46
07/15/2018: $40.42
07/14/2018: $40.5
07/13/2018: $40.58
07/12/2018: $40.66
07/08/2018: $40.76
07/07/2018: $40.81
07/06/2018: $40.89
07/05/2018: $40.97
07/04/2018: $41.05
07/03/2018: $41.13
07/01/2018: $41.19
06/30/2018: $41.23
06/12/2018: $41.31
06/11/2018: $41.14
05/31/2018: $41.31
05/30/2018: $49.95
05/17/2018: $29.99
05/16/2018: $28
05/15/2018: $29.99
05/08/2018: $41.83
05/07/2018: $41.91
05/04/2018: $42.26
05/03/2018: $40.16
05/02/2018: $42.29
05/01/2018: $40.22
04/29/2018: $44.38
02/20/2018: $44.49
02/15/2018: $44.1
02/03/2018: $49.95
12/24/2017: $45.31
12/20/2017: $49.95
12/09/2017: $45.31
12/08/2017: $34.96
11/28/2017: $44
11/26/2017: $32.78
11/20/2017: $34.68
11/18/2017: $39.32
11/16/2017: $33.33
11/13/2017: $37.46
10/31/2017: $39.96
10/29/2017: $44.56
10/26/2017: $39.96
10/24/2017: $42.46
10/23/2017: $45.92
10/11/2017: $44.56
10/07/2017: $43.63
10/06/2017: $44.56
10/02/2017: $44.91
10/01/2017: $45
09/30/2017: $43.63
09/26/2017: $45.31
09/09/2017: $44.56
08/23/2017: $45.31
08/21/2017: $44.56
08/20/2017: $44.99
08/18/2017: $43.63
08/06/2017: $45.31