LEGO set theme: 2000, roboriders

list of year 2000 roboriders sets:

1290 lava buggy
1291 power bike
1292 frost flyer
1293 swamp craft
8003 volcano climber
8004 dirt bike
8005 ice explorer
8006 swamp craft
8509 swamp
8510 lava
8511 frost
8512 onyx
8513 dust
8514 power
8515 roborider wheels
8516 the boss