Here is the full list of all 12 Contraptions (JP) trophies - there are 11 gold and 1 platinum.
Collect all trophies
Complete your first level!
Complete 10 levels
Complete 20 levels
Complete 30 levels
Complete 40 levels
Complete 50 levels
Complete 60 levels
Complete 70 levels
Complete 80 levels
Complete 90 levels
Complete 100 levels