When it's not windy, it can be easy to forget about air. But air is everywhere–it fills your house, your car, and even your empty milk glass. In fact, a regular room holds about 75 pounds of it! This Level 1 book, reillustrated with John O'Brien's clever, eye–catching illustrations, tells you how to discover the air that's all around you.
Postage preferred, additional $2 for registered mail POSB savings 198-25533-5 Self collect at blk 291b bukit batok st 24 Meet up at : Bukit Batok, Jurong East or Clementi Tuesday 4.30pm - 6.45 pm UE square Thursday 18.00pm Bukit Gombak Saturday 9.30am Hillview Saturday 10.30am or Sunday 4pm