Horizon Models (Aust) 1/72nd scale.
Yellow 7 is MR-4 "Liberty Bell" flown by Gus Grissom, shown in launch configuration. Grissom flew a sub-orbital flight on the second launch. Green is MA-7 "Sigma 7" flown by Walter Shirra in orbital configuration. Shirra's mission was the third orbital flight - conducting 6 Orbits.
Mercury-1 by
David Freeman, on Flickr
Mercury-2 by
David Freeman, on Flickr
Mercury-3 by
David Freeman, on Flickr