Complete DIY Science Laboratory Physics Experiments Toy Kits

Description

Complete DIY Science Laboratory Physics Experiments Toy Kits
Description:
Product material: non-toxic environmental wood;
Working: The siren consists of infrared transmitter and a light-sensing alarmer. During operation, When an object touches the infrared light, the alarm horn will sound and the warning light will also illuminate;
Applicable age: 8 - 14 years old;
It can be used as a physics teaching experiment, great to cultivate students and kids hands-on ability;
4 x AA(5V DC) battery powered, not included;
Specification:
Size: approx. 6.4 x 7 x 7cm/ 2.52 x 2.76 x 2.76inch
Package Includes:
1 Set of DIY Mini Alarm Guard
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