When Bernard returns home from work after his conversation with his boss, an easel containing a drawing of a castle is visible. When the genie shows up, the drawing has fallen. After Bernard and Flora return from their shopping trip, the picture is visible again.
The stuffed bear at the beginning is either strapped onto the back of the motorbike or it isn't. If it is, it simply can't roll off on an easy and very apparent wide turn. If it isn't, it will instantly fall off as soon as Bernard puts the bike in motion.