If you've been to New York, you've probably seen the Empire State Building yourself. You've probably felt a great sense of awe as you look at this huge infrastructure. If you want to know how it was created, then you better open this book today. Let's make engineering fun by carefully choosing resources to give to your boys.
If you've been to New York, you've probably seen the Empire State Building yourself. You've probably felt a great sense of awe as you look at this huge infrastructure. If you want to know how it was created, then you better open this book today. Let's make engineering fun by carefully choosing resources to give to your boys.
