Kwan Suk Kim

You can make your own cake in your iPhone. You are given a cake without any decorations and many items to decorate your own cake. The items are classi …

You can make your own Christmas tree in your iPhone. You are given a tree without any decorations and many items to decorate your own Christmas tree. …

Here is a clover field. There are hundreds of clovers but only one 4-leaf clover. If you find the 4-leaf clover, you will be in clover. The 4-leaf clo …

Most easy-to-handle Sudoku you have ever experienced! You can select one of 5 difficulties: from easy to impossible. The puzzle you are solving will b …

You got a chance to be rich. You will be given a lot of paper cash as possible as you can get. There is only 2 minutes. During that time you have to g …

it's very important for visual artist or designer to understand color because they usually express their emotions or thinking through color. They alre …