Warcraft III has no formal "Toy" category, but three things fit the playful spirit.
The World Editor lets creators script Easter eggs, mini-games, physics toys (gravity guns, ragdoll launchers), and cosmetic transformations. Famous examples: Pokémon Defense evolutions, Footmen Frenzy hero skins, Enfos Team Survival secret bosses.
Clarify what you're hunting—items, funny creeps, or map-editor tricks—and I'll dig deeper.