When the chest of drawers is first seen at the antique shop, it has five drawers. When it is seen at Elmer's house, it has only four drawers.
When we first see the blue chest of drawers, it has decorative curved legs. When we see the chest in Elmer's home, it has straight legs.
When the two gophers hitch their ride to Elmer Fudd's house, they initially get into the bottom drawer of the dresser. During the ride to Elmer's house, they pop out of the second drawer from the top. Then, in Elmer's house, they emerge from the bottom drawer.
At the end, as Elmer is chopping at the oak tree, no flakes are flying, and the cut in the trunk is not growing.