We on Mars Interactive Quiz

Usage: Free educational moving puzzle game used to explore the Missions to Mars article, by interacting.
Interactive knowledge board.  

How to play: Launch a mission to Mars and see if it is successful or not...

Cell Structure Puzzle

Usage: Free educational puzzle game application used to explore the Biology Cell article, by interacting.
Interactive knowledge board.  

How to play: Drag and drop the organelle pictures in the cells outlines...

Apples Varieties Arcade

Usage: Free educational online arcade game used to explore some  Apple Varieties, by interacting.
Interactive knowledge board.  

How to play: Move the robot with the arrow keys and obtain 7 Apple Varieties...

Bones Puzzle

Usage: Free educational puzzle game application used to explore the Human Skeleton article, by interacting.
Interactive knowledge board.  

How to play: Drag and drop the bone pictures in the body outline in approximate position...

True Gamer Picture Test

Usage: Free educational picture test, used to explore popular Computer Game Genres, by interacting.  

Interactive knowledge board.

How to play: Recognize the type or genre of some video games, by choosing their picture.

Master Software Picture Test

Usage: Free educational picture test, used to explore popular Computer Software, by interacting.  

Interactive knowledge board.

How to play: Recognize some daily software programs and what they do, by choosing their picture.

Master Hardware Picture Test

Usage: Free educational picture test used to explore the Computer Hardware, by interacting.  

Interactive knowledge board.

How to play: Recognize and connect computer hardware and choose their picture.

Expert Computers Picture Test

Usage: Free educational picture test used to explore the connection between peripheral devices, by interacting.  

Interactive knowledge board.

How to play: Recognize and connect computer parts and choose their picture.

Master Computers Picture Test

Usage: Free educational picture test used to explore the computer parts and peripheral devices, by interacting.  
Interactive knowledge board.

How to play: Recognize Computer Parts and choose their picture.

Guitar Explorer Practice

Usage: Free educational application used to explore the chords for "The House of the Rising Sun song, by interacting.  
Interactive knowledge board.

How to play: Practice 5 guitar chords, then fit them on the song diagram...

Animals Words Quiz

Usage: Free educational game application used to explore 5 Animal Words for 8 different languages, by interacting.
Interactive knowledge board.  

How to play: Click the word of any language showing the animal in the main picture...

Europe Puzzle

Usage: Fee online educational puzzle game used to explore the Sovereign States in Europe, by interacting.
Interactive knowledge board.  

How to play: Drag and drop the picture of the European countries in their correct places in Europe...

Finances for Kids RPG

Usage: Free educational game application used to explore some Financial Basis, by interacting.
Interactive knowledge board.   

How to play: Move through 21 board sqares. Finish happy, with no debt and enough money....

Hide and Seek Arcade Game

Usage: Free online game used to explore the Hide-And-Seek yard game, by interacting.
Interactive knowledge board.    

How to play: Move the seeker with the arrow keys and try to catch all hiders...

Arithmetics Practice App

Usage: Free educational test application used to explore and practice  Arithmetic, by interacting.
Interactive knowledge board.    

How to play: Click the correct hex for the given equation and win eight medals...

Metalloids Test

Usage: Free educational test application used to explore the Periodic Table article, by interacting.
Interactive knowledge board.    

How to play: Roll the metalloid elements on their place in the periodic table and unlock the vault...

Nonmetals Test

Usage: Free educational test application used to explore the Periodic Table article, by interacting.
Interactive knowledge board.    

How to play: Roll the nonmetal elements on their place in the periodic table and unlock the vault...