big book of big machines
Suitable for kids who go bonkers over big machines, this book features some of the world's biggest machines found on building sites, farms, airports and dockyards including one of the biggest machines ever, the bucket-wheel excavator used in mining. For the biggest of machines, it includes two giant foldout pages. Recommended for ages 4 years and up. (資料來源:Amazon)
ISBN: 9781409507314
詳細介紹
https://www.youtube.com/watch?v=NOdvK-9PZzg