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DIY Infrared Alarm Children Science Education Toy - Multi - 4884379212

DIY Infrared Alarm Children Science Education Toy - Multi - 4884379212

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The alarm is composed of laser infrared light emitting device and light induction trigger alarm device. When working, the laser infrared ray shoots the light sensor. When an object touches the laser infrared light, the alarm horn will sound and the warning lamp will light up.
Cultivating children's interest in learning and desire for knowledge can help improve their academic performance.
Scientific knowledge in small production can lay a foundation for future inventions, mathematical and physical learning.
Improve children's sense of innovation and ability, let children win in the starting line, on the social more competitive.
Nowadays, children generally lack practical ability and strengthen the cultivation of practical ability, so that knowledge is no longer an issue.
High quality plastic parts, specially designed for scientific experiments, multi-functional, expandable, material safety and environmental protection odor-free.
Using quality electronic components and accessories, stable performance, safety and reliability.
Powered by 4 AA batteries (battery not include)
Laser infrared is designed to show the effect of the picture, actually the line is not visible
Materials: Plastic,Metal
Theme: Science
Gender: Unisex
Completeness: Semi-finished Product
Stem From: Other
Package weight: 0.15 kg
Product size: 6.40 x 7.00 x 7.00 cm / 2.52 x 2.76 x 2.76 inches
Package size: 14.00 x 20.00 x 5.00 cm / 5.51 x 7.87 x 1.97 inches
Package Contents: 1 x Set of Assembly Parts

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