Gundam kits are classified by grade, the two most common being High Grade (HG), which are usually $15-30 and about 6 inches tall when complete, and Master Grade (MG), which’ll run you around $30 ...

Model kits first appeared in the 1930s and became increasingly popular in the 1950s. Today almost any prototype car, lorry, train. plane or shop can be found as a plastic kit.