Legos are a type of building block which are in many themes, or there are Mindstorms  which is a robotics
                                            set that  is an advanced vesion of Legos.
 

                                       You can find more about Legos at http://www.Lego.com
                                       or you can find more about Mindstorms at http://www.legomindstorms.com.
 
 
 
 

                                                                                                   .             
 
 

                                                                .