There was a download of Solid State Challenge 18.104.22.168 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions among the program users are 5.1 and 4.0.
The latest version of Solid State Challenge is supported on PCs running Windows XP/Vista/7/8/10/11, 32-bit. The most frequent installer filename for the software is: SolidSt4.exe. The program belongs to Education Tools. This software was originally created by ETCAI Products. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Solid-State Challenge consists of twelve activities to assist in teaching basic solid-state circuit concepts and troubleshooting.
You may want to check out more software, such as Solid State Doctor, Solid Commander or Word Challenge Robot, which might be related to Solid State Challenge.