Make people think and google! Stick these in places of high visibility to encourage curiosity and life-long learning :-P
Don't worry, they are easy to peel and won't damage anything or anyone!

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About the product

These stickers are printed on durable, high opacity adhesive vinyl which allows for
• High opacity film that’s impossible to see through
• Fast and easy bubble-free application
• Durable vinyl, perfect for indoor use
• 95µ density

Don't forget to clean the surface before applying the sticker.