The Block SYMPHONY Guitar Building Block Set includes 183 pieces of interlocking blocks that can be used to create a guitar-shaped structure. Made of plastic, this set is part of the BLOCK SYMPHONY product line by Block Tech and is compatible with LEGO elements. With a theme centered around a guitar, this set is aimed at children aged 8 and above who enjoy building toys and exploring musical instruments. The set comes sealed in its original packaging, ensuring that the pieces are new and in mint condition for a fun building experience.