Abstract: A splicing step device includes a first step body and a second step body. A height of the first step body is different from a height of the second step body, and the first step body is configured by splicing. The splicing step device is detachable, which reduces a space occupied by the splicing step device during storage and transportation, and reduces storage costs as well as transportation costs.

Abstract: The present disclosure provides a scum absorbing device for absorbing scums in water. The scum absorbing device includes a front absorbing body, the front absorbing body includes: a first front layer defining a plurality of first via holes; a second front layer; and a third front layer, connected between the first front layer and the second front layer, the third front layer is capable of absorbing or capturing scums in water.