Analog Fire Alarm Sound And Light Alarm Scientific Experimental Equipment Science And Technology Small Production Diy Popular Science Teaching Aids

Material:plastic/plastic Specification:90*75*88mm Whether can DIY:Yes Packaging:Other Whether multi-function: Yes Whether electric: Yes Ability to develop: hands-on brain Type of science toys:Physics Colour: fire alarm applicable age:Junior (7-14 years old) 3:Science experiments 2:Children's toys creative science education model 1:DIY science and technology small production