The built the seven Sd.Kfz. 251 and Sd.Kfz. 251 variants shown in this section from two Plastic Soldier Company kits: The SdKfz 251/D German Halftrac set and the 251/D Haltrack Variants set. The SdKfz 251/D German Halftrack set comes with three SdKfz 251/D sprues, which allows you to build either the Sd.Kfz. 251/1 Schützenpanzerwagen or the Sd.Kfz. 251/10 Schützenpanzerwagen (3.7 cm PaK). The 251/D Haltrack Variants set comes with four SdKfz 251/D sprues and a single upgrade sprue. The upgrade sprue provides the components needed to build a Sd.Kfz. 251/2 Schützenpanzerwagen (Granatwerfer), a Sd.Kfz. 251/7 Pionierpanzerwagen, a Sd.Kfz. 251/9 Schützenpanzerwagen (7.5 cm KwK37) and a Sd.Kfz. 251/16 Flammpanzerwagen.