---
publication_id: "OT-2026-000002259"
title: "Washable sifter bin for toy building blocks"
published_at: "2026-09-15T19:11:49.110260Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000002259"
categories:
  - "material-handling/conveying-systems"
keywords:
  - "a47j36/08"
  - "a47j36/10"
  - "b65g65/4872"
  - "a47j36/08"
  - "a47j36/10"
  - "a47j43/285"
---

# Washable sifter bin for toy building blocks

## Abstract

A washable sifter bin device including a circular bottom sheet having a plurality of circular holes, a cylindrical wall surrounding the circular bottom sheet, and a central knob attached to the bottom sheet and located at a center of the bottom sheet. A storage and washing sifter bins'assembly includes a plurality of washable sifter bins attachably stocked to one another, wherein each of the plurality of the washable sifter bins includes a circular bottom sheet having a plurality of circular holes of a particular diameter specified for each of the plurality of the washable sifter bins; a cylindrical wall surrounding the circular bottom sheet; and a central knob attached to the bottom sheet and located at a center of the bottom sheet.