The Lego Technic Porsche GT4 e-Performance racing car (42176) offers an exciting building project for children aged 10 and up. This remote-controlled model car features many interactive functions and is our fastest Lego Technic Control+ racer to date. Open the Control+ app to operate the steering of the Porsche toy car, control the lights, and access real-time data on the display. After the fascinating building experience, children can put their toy Porsche to the test with cool remote control functions, allowing it to move forward and backward. With opening doors, there is plenty to discover on this detailed model car. Even the lights of the Lego vehicle work. This remote-controlled car has many cool features that introduce young Lego builders to the world of technology. The set makes a great gift for children who love toy racing cars. The Lego Builder app is also available for this building toy, allowing builders to zoom in and rotate 3D model views and track their building progress. The car measures 10 cm high, 37 cm long, and 15 cm wide. It contains 834 pieces.