Below are the names and locations of the nine items you must collect in 
the game in order to proceed. 

Binoculars     - Grab this item at the end of the Industrial Castle level, after slaying the boss
Boomerang      - Equip the Cardinal Animal Orb, and go to the Thief Forest. When you locate the owl
                 pooping from a tree, the cardinal will find this item (so long as he’s with you)
Bow and Arrow  - In the Thief Forest level, they are dropped randomly and regularly
Compass        - Find to the left of the blacksmith. 
Horn           - After killing the Corn boss, one of the Peasants will give it to you
Key Weapon     - Equip the Cardinal Animal Orb, and go the Full Moon level. When you reach the 
                 mountain path, go up until you reach the second hut. Go near the hut and Cardinal
                 will locate the item for you
Spade          - Head to the first desert level after you’ve complete the ship level. Leave the 
                 ship and find this item right in front of you on the left side of the sand castle
Steering Wheel - At the end of the lava-colored level after defeating the dragons
Treasure Map   - You’ll receive this after defeating an opposing team during a mission at the sand
                 castle in a game of volleyball