This is an injection-plastic military vehicle model kit.
From the manufacturer:
The Crusader Tank was one of the primary weapons of the British Army during its early engagements with the Germans during WWII. While early variations fought in the campaigns in France and then Greece, the Mk.III Crusader proved itself to be invaluable during the desert war in North Africa, where in the vast expanses of the desert speed was a vital factor in tank engagements. The highly-mobile cruiser tanks had this in plentiful supply, and with the larger 6 pounder gun fitted to the Crusader Ml.III, it was also able to pack a punch to match the early Panzer III and IV tanks it faced in combat.
But as the German tanks increased their armor protection and firepower, the Crusader began to fall behind and was replaced by lend-lease tanks such as the M3 Grant and M4 Sherman as soon as they became available. The chassis, however, continued to see service as an AA tank up until the war's end.
Completed model measures 202mm long and 91mm wide.