How do you pass level three in Jimmy Neutron Attack of the Twonkies

Well you are in Twonkus 3, at the begining you will start near your rocket, well walk right to enter a cave, here first you ´ll find a Godard Upgrade (Godard Fetch) Escave the red mineral and go right, you will find other upgrade to throw bones to make godard destroy walls, do this, invent the refractory, keep fetching the minerals (they are 3 in total), a... You have to use the refractory when you see a big colum, shoot and it will turn on a stair, climb up, escave the blue mineral, enter to the hole and finally you will see a monster, aviod the rocks and run quickly to your rocket before the monster distroy your rocket, well, good luck and if you still have questions write me : [email protected]