A useful distinction
A toy can be discussed through design, marketing and the context in which it circulated. That object offers a specific perspective. Generalising from it to all families or all children in a period requires evidence beyond the single example.
Put it into practice
Choose a documented museum item and describe what its record establishes. Separate interpretation from catalogue facts and avoid inventing the experiences of unknown owners. An original article can ask useful historical questions while leaving the limits of the evidence visible.