【實用教育app】United States' Coins|最夯免費app-綠色工廠好玩App

United States' Coins provides a fun and exciting way to learn to identify all of the circulated from 1793 to present NOW INCUDING ALL GOLD COINS. All denominations are included from half cents to double eagles($20 gold). It offers great graphics and audio feedback with a flexible format that allows 3 or 6 choice quizs and a concentration on single or multiple denominatons. Quizzes can be set to 10 or 20 questions. Players don't even realize how much knowledge they're absorbing.