|  OBBL Ideas | Make a Name: Math 3 |  OBBL Help | 
 
	* Use thumbtacks to support blocks which need to be suspended. 
	* You can replace some of the thumbtacks with bubbles when bubbles cannot escape. 
	* It is fun to release a bubble while a block is falling from above.  Try to time it so the block will capture the bubble before it can float away!  
	
	
 
	 
	
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