DIY Seismograph For Physical Education

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Description:

, safe and non-toxic environmental plastic
Happy and easy to learn. Exercise your children practical ability. Train your children observation capability, thinking and analytical skills
Because the battry does not allowed send by normal post, we will send without the batteries, you should buy it by yourself, please unstand about it, thank you
Material: plastic
Color:

Size Chart:

15x15x9cm

Package Includes:

1 Set DIY Alarm Kits(13Pcs)

Note:

Due to the hand measurement, there have size error about 1-2cm
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same

Earthquake Alarm;DIY Earthquake Alarm ;Handmade Earthquake Alarm ;DIY Technology Production;Scientific Invention;Physics Experiment;Electrical Geology Study;Scientific Training DIY Materials;Science Experiment

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