Makeblock 2.4G Wireless Serial for mBot V1 
TTS Blue-Bot Programmable Floor Robot 6pk 
Wonder Workshop Launcher for Dash Robot 
Easily set acceptable sound levels for different tasks in the classroom.
The Classroom Sound Meter is a visual representation of sound to help students manage their own noise. Set different levels for different activities to keep students on task. If the level is breached, the LEDs will flash amber to alert the teacher.
Ikäsuositus 3v.+
