i want to make a coin collection game in unreal engine using blueprints i have done it but now i want the default character to change size after each coin pickings and i do not know the blueprints for that please provide the blueprints

i want to make a coin collection game in unreal engine using blueprints i have done it but now i want the default character to change size after each coin pickings and i do not know the blueprints for that please provide the blueprints