Many buildings were the tallestin the world when they were built.But new and even taller buildingsare being built all the time.Read more about skyscrapers in this book.Der findes …
Ships are big and heavy.On the oceans there are someships that are gigantic.Read more about some of theworld’s biggest ships in this book.Der findes frit tilgængelige opgaver til …
A magnet attracts things with iron.Or it can repel them.Some magnets are weak.Others are very strong.Read more about this and much more in this book.Der findes frit tilgængelige …
Surfing is an old sport.You need very little gear to surf.A board and a leash are enough.Read more about that and much morein this book.Der findes frit tilgængelige opgaver til …
