The term 'KIDS' STUFF' can be summarized by two crossword solutions: TRIX and TOYS. TRIX is a brand of breakfast cereal that was first introduced in 1954 by General Mills. It is a sweetened, multi-grain cereal that is shaped like stars, letters, and numbers. TOYS is a general term for objects that are used by children for play. Toys can range from simple items such as dolls and blocks to more complex items such as video games and remote-controlled cars.