In the recent years, Lemax has switched all animated products to be powered by a 4.5V adaptor plug. Depending on the country in which you buy the Lemax product, these plugs have different item numbers (ex: 74274 for US and 74269 for Europe). You have 4.5V plugs that power 3 items at the same time or just 1 item.

You can also power battery operated products using these 4.5V adaptor.