Entertaining physics
25ر.س
Product description
This rises up.. and this swings endlessly.. and that appears and disappears.. and another has multiple colors.. many things happen around us we are used to their occurrence but when we contemplate we are amazed, so why does it happen in that way? and what makes it take that pattern? it is simply – the entertaining laws of physics. they are how we get to know each other. from age 5 years to 10 years.
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