DIY STEM Mini Music Smart Door Bell Toy Educational Science Kits for Children
- Product SKU: LGPW055
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The DIY STEM Educational Science Stem Kits humidity sensor mainly uses a triode to amplify the electrical signal passing through the human body, water, soil, and other humidity objects, and after amplification, it becomes a control signal to control the brightness of the LED light-emitting diode and the sound of the buzzer.
With a 3v power supply to the Mini Music Smart Door Bell Circuit, when you flip the switch, the circuit will light up and at the same time, the electronic bell will ring. This is a very interesting toy for the little ones to experience.
- Great learning kits for kids to learn science, technology, engineering and mathematics, It is beneficial for children’s intelligence development. DIY DIY 3D wooden plane hand generator Physical Learning Toy Science Kit, Great for school physical teaching tool.
- Excellent kit for students to learn, training courses for after school classes.
- A wonderful kit for ability training, dynamic brain, vision, interest training. laying a good foundation for future physics and chemistry study.
- SATISFACTION GUARANTEE: Our kits have a strict quality guarantee, We will give you happy shopping experience.
- Dimensions (cm) L x W x H : 20X14X1.2
- Weight (gm): 60
My students absolutely LOVE them! The directions are simple enough for my first graders to follow after a short demonstration, and the projects range in difficulty to keep even the sixth graders excited
Fun and educational for all ages!
Loved this one as well.
I have to admit - it's better than I expected.