Many manufacturers began production in the 1950s .
Many manufacturers gained ascendancy in the 1960s such as Aurora , Revell , AMT , and Monogram in America , Airfix in UK and Heller SA in France .
Many manufacturers began production in the 1950s and gained ascendancy in the 1960s such as Aurora , Revell , AMT , and Monogram in America , Airfix in UK and Heller SA in France .