A brilliant place for every kid

What is the most important bug?…

What is the healthiest bug?…

A king decided to let a prisoner try to escape the prison with his life. The king placed 2 marbles in a jar that was glued to a table. One of the marbles was supposed… >>>

A family I know has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?… >>>

What can be broken without being hit or dropped?… >>>

There are 50 books on a bookshelf. Each book is two inches thick. How far is it from page one of Volume 1 to the last page of Volume 50?… >>>