Sandglass Group Sets (Teaching instrument)

• Condition: New
• Customized: Customized
• Certification: ISO9001
• Model NO.: 12077
• Material: Plastic
• Transport Package: Carton
• Specification: CE, ISO
• Trademark: SHUN MA / OEM
• Origin: China
• HS Code: 9023000000
• Production Capacity: 80, 000 PCS/Year.

Product Description

Product Description

Sandglass group
 

Product Introduction
1. The instrument consists of a plastic base, a transparent glass body and fine sand inside.
2. The timing time of the instrument includes 30 seconds, 1 minute, 3 minutes, 5 minutes, 10 minutes and 15 minutes.

Product Specification

 

Product name	Sandglass group
Include	30 seconds, 1 minute, 3 minutes, 5minutes, 10 minutes and 15 minutes
Material	Plastic
Size	---

Instructions
First place the hourglass on the horizontal desktop. When all the fine sand at the upper end of the hourglass falls into the lower end, turn the hourglass upside down and start timing.

Product feature and application
This product is an instrument for understanding the timing method and the concept of time length in mathematics teaching in primary schools.

Maintenance and precautions
1. During the experiment, the instrument should be placed on a stable desktop to avoid inaccurate timing
2. This product is mainly made of plastic and glass, which can avoid falling and collision during use.

Detailed Photos