A tool made in the study (image)

University of Exeter

Caption

A tool to carry marbles, made by a participant in the study

Credit

University of Exeter

Usage Restrictions

This image may only be used with reports of this research

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.