The LEGO Technic Formula E Porsche 99X Electric 42137 Building Set is a highly detailed and authentic model of the Porsche 99X Electric race car, which competes in the Formula E electric racing series. This set is designed for builders and Porsche racing fans who appreciate the innovation and sustainability of electric racing.
 
The set features 579 pieces, which allow you to build a model that measures over 5 inches (14 cm) high, 16 inches (42 cm) long, and 6 inches (16 cm) wide. The model features a realistic design with authentic details such as a minifigure cockpit, adjustable rear spoiler, and functional steering.
 
The set also includes a buildable wind tunnel testing station with a rotating fan, as well as a minifigure driver with a racing helmet and a Porsche racing suit. The instruction booklet includes details on the design and technology of the Porsche 99X Electric race car, as well as building tips and techniques.
 
Overall, the LEGO Technic Formula E Porsche 99X Electric 42137 Building Set is a great set for any LEGO enthusiast or Porsche racing fan. It provides a fun and challenging building experience while also promoting the values of sustainability and innovation in electric racing.