| Type | Title | Year | Publisher |
|---|---|---|---|
| Trade Stimulator | 🟩 Improved Dice Machine | 1928 | Keystone Novelty & Sales Co. [Indianapolis, IN, USA] |
| Trade Stimulator | 🟩 Puritan Bell | 1928 | Keystone Novelty & Sales Co. [Indianapolis, IN, USA] |
| Trade Stimulator | 🟩 Puritan Bell Fortune | 1928 | Keystone Novelty & Sales Co. [Indianapolis, IN, USA] |
| Trade Stimulator | 🟩 Puritan Bell Gum Vender | 1928 | Keystone Novelty & Sales Co. [Indianapolis, IN, USA] |