Home Experiment Series- Mystery Cooler
4 weeks
💥LUMICA Small Research Series Science Craft Kits
💥 Simple process, make children have a different experience!
💥 It gets cold when it rubs!
💚 Something to prepare separately
🔸 the right amount of water
Transparent Tape
🔸 Permanent pens, stickers, etc.
💚Movie.
https://www.youtube.com/watch?v=8IMX1UbEl3I
English 
Chinese (Hong Kong) 
Korean 
Japanese 
Chinese (China)
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