What factors affect the value of collectible toy story toys?

The verified evidence includes only a general knowledge graph entry for "Toy Story" and a detailed Wikipedia article about Barbie. Neither source discusses specific aspects of the toy market for Toy Story merchandise, such as condition, rarity, demand, or market trends. Consequently, no concrete factors that influence the value of collectible Toy Story toys can be drawn from the provided data. Any additional information about what drives collectible toy values would require separate, verifiable sources not present here.