Kansas City Power and Light Building/KCP&L Building
Location: Kansas City, MO
Built: 1931
Height: 481ft/147m
Floors: 34

5.75" Model Dimensions (1:1200 scale)-
Height: 5.75in/14.6cm
Length: 1.5in/3.8cm
Width: 1.25in/3.2cm

11.25" Model Dimensions (1:612 scale)-
Height: 11.25in/28.6cm
Length: 3.25in/8.3cm
Width: 2.25in/5.7cm

20" Model Dimensions (~1:350 scale)-
Height: 20in/50.8cm
Length: 5.5in/14.0cm
Width: 4in/10.2cm

Summary of Model Scales:
5.75in (0ft 5.8in)/14.6cm: (1:1200 scale)
11.25in (0ft 11.3in)/28.6cm: (1:612 scale)
20in (1ft 8in)/50.8cm: (~1:350 scale)

The pictures shown are of the 5.75 inch model.

The final picture shows the 5.75in, 11.25in, and 20in models.

The larger sizes have slightly more detail.