Grade 2 (7-8 yrs) Stardoku is a simple online version of the classic puzzle game- sudoku. This game has been specially customized for young learners, to help them build and enhance their logical and reasoning skills, in a fun way. In this version, instead of numbers, kids have to place different colored stars on the grid in such a way that every row and column of the grid contains one of each colored-stars. The game has 2 levels, easy (4x4 grid) and hard (6x6 grid), for kids to choose from.