Primary Concepts HourGlass Classroom Timer and Noise Meter (discontinued) option3-name-washable orange (orange)

orange (orange)

Invites students to count our collection of 45 hippos by twos

This set includes ten weighted

pencils and other art materials

durable grommets for hanging

Primary Concepts HourGlass Classroom Timer and Noise Meter (discontinued) option3-name-washable orange (orange)HourGlass is a dual function classroom management system that can be used as a Timer and as a Noise Detector. The giant display of lights is a dynamic measuring tool that can be seen by everyone in a classroom or even an auditorium. One year unconditional warranty. Requires 4 C batteries or optional AC adaptor (sold separately). Battery life in a typical classroom operation is 6 months 2 years, but varies according to usage. 15 x 8 x 4. 5. Instruction