The sensor is easy to use and build and can directly detect and respond to 6 LEGO® colours. When used with the additional app, it can detect even more details. The sensor is ideal for interactive lessons and can be connected to motors or plugged into a laptop or tablet for programming activities. Specification Colour sensor An ultra-compact sensor with powerful performance, ideal for a focused, practical learning experience in the classroom. Detects LEGO® colours Detects and responds directly out of the box to 6 LEGO® colours, at a distance of 4-16 mm. Versatile use Connect the sensor to motors for a hands-on learning experience or link it to a laptop or tablet for programming activities. Charging and communication Easy charging via USB-C and effective communication via Bluetooth Low Energy 4.2. Age: Suitable for children from 5 years old.