Patent Number: 6,254,396

Title: Teaching device for science experiments

Abstract: A teaching aid for use in conducting classroom experiments is disclosed. The teaching aid includes a transparent, flexible container with an opening at the top, and a rigid container having a rectangular cross-section for holding the flexible container. The rigid container has planar front and back portions, at least one of which is transparent. Accordingly, when the flexible container is disposed in the rigid container, students can easily view fluids and/or other materials held by the flexible container through the transparent portion of the rigid container during, e.g., a science experiment.

Inventors: Stevens; Kenneth V. (Brooklyn, NY)

Assignee: Delta Education, Inc.

International Classification: G09B 23/00 (20060101); G09B 23/10 (20060101); G09B 023/00 ()

Expiration Date: 07/03/2018