Based on the brilliant Word Tennis game by Mark Purves at www.souffler.co.uk
Timed ping pong game for practising vocabulary. Give a topic, then 2 teams have 15 seconds to answer on their turn. If answer in time click to bat ping pong ball across to other team. If the team cannot answer, opponents win a point. Add as many slides as you need and amend timers as required. This timer and others available free from Dave Foord's site at http://www.a6training.co.uk/index.php
NB - Timers and animation will work when PPT is downloaded!