Throw surprising curveballs at your friends with your very own Unicorn army. The Unstable Unicorns Card Game is a strategic game that will keep players on their toes. Each box contains 135 cards and take about 45 minutes to play. You can also get the expansion pack to make the game more interesting. Build a unicorn army unleash the power of unicorns to have oodles of fun. Card games have never been this exciting.