Just one piece from the Einstein puzzle range. How will you fare against this brainteaser? For centuries, scientists and philosophers understood what atoms were and how they worked but no one could prove their existence. Einstein was the first to provide the convincing evidence that was needed. Can you split the atom puzzle, and take apart the nucleus puzzle within, before rebuilding the nucleus sphere and reconstructing the atom around it? The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.