Building Blocks Birthday Foil Balloon 18-inch

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If your boys love building blocks, this balloon will be perfect for their birthday parties! 

- Details -
+ Inflated balloon measures about 18" wide
+ This self sealing balloon can be filled with helium or air. It will float when filled with helium while it will not float when filled with air.
+ Balloon ships flat

- Important -
* Sensitive to temperature; may look like deflated in cold temperature and pop if it's close to heat.
* Adult supervision is required for children.
* Discard broken balloon right away.
* Keep away from heat and power line.