LEGO-Like (IMAGE) Brown University Caption LEGO-like hydrogel building blocks patterned with tiny fluid channels can be assembled into complex microfluidic devices and then sealed tightly together. Credit Wong Lab / Brown University Usage Restrictions None License Licensed content 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.