These look as rifle grenades, Chris - a German clone of the US ground signal parachute M17A1/M19A1/M21A1(first row second pic) maybe?

Second pic Top row
Signal, Ground, White Star, Parachute, M17A1 = with white cover, embossed WP
Signal, Ground, Green Star, Parachute, M19A1 = with green cover, embossed GP
Signal, Ground, Amber Star, Parachute, M21A1 = with yellow cover, embossed AP
Signal, Ground, Red Star, Parachute, M51A1 = with red cover, embossed RP
second row from left to right
Grenade, Rifle, Smoke M19; Grenade, Practice M11A3; Grenade, Practice M11; Grenade, Rifle, Frag, Impact, M17; Adapter, Grenade, Projection, Chemical M2A1; Adapter, Grenade, Projection, M1; Sealed can with Grenade Cartridge Assortment.