Giant Hand - (Instant Knockdown but Little Damage): It is in a small alcove to your left during the second or third Dahaka chase (depending on how you play).
Glowing Sword (Very High Stats but also Damages Prince): Immediately after the room covered in Fog it is Behind a wall in a pit.
Teddy Bear (little damage but heals the Prince with each hit) - Mechanical Pit (present): Take the stairs up at the area where you fought the second Brute and look for a breakable wall in the water-filled pit.
Garden Flamingo Hanging Garden (Present): In the first alcove you reach behind a wall.
Hockey Stick - Central Hall (past): Rotate the switch towards the Hourglass Room then use the new path to reach the breakable wall at the bottom of the room.