Get Gogeta
Collect all Z Exhibits and all Hercule Exhibits.
Baba's ball
Finish the game and then talk to Baba, on Yenma's office.
Gohan's training sword
On Goku's house, go to the toybox and search it for this item.
Ox King's hat
Talk to King Ox in Goku's house.
Ginyu's Capsule
Talk to a scientist in the left side of the main building of Capsule Corp.
Android #20's Hat
After killing Kid Buu, return to the train. On the place where people usually were, you will find 2 enemies. Defeat them for this box.
Broly's Crown
Defeat Broly at the volcano.
Yajirobe's Sword
Walk around Yajirobe counter-clockwise three times and he will drop an item near Babidi's Spaceship. It is the artifact Yajirobe's Sword.
Yamcha's Bat
Get to East District 439 and smash Gohan's level 140 door, then recieve it in a chest.
King Kai's Hammer
Go to the Cave of the Ancients on Grand Kai's Planet after completing the Other World Tournament and talk to Bubbles.
Grand Kai's Boombox
Speak to Grand Kai on Grand Kai's planet after you defeat Kid Buu.
Mr. Popo's Turban
There is an invisible chest in front of four trees on Kami's Lookout. Check between the middle two.
Korin's Cane
You will receive the Z-Fighter exhibit Korin's Cane from Korin himself after you give him red snapper fishes.