You should try to build links slowly instead of adding a hundred in one sitting. This sudden spike of inbound links could cause your problems. It would look unnatural, as connections are generally not achieved this fast. Be patient with new websites as they will need time to mature before google ranks them at their full potential.
There are many ways you can deal with the Google sandbox and its effects, including:
Use an Existing, first domain name are buying instead of a new one. Build links slowly over time. Optimize your website gradually. In the early days, concentrate on other search sites. Utilize pay per click (PPC) for your initial placement.
The Google sandbox effect is not a well-known algorithm by Google; it is just a phrase to describe the effect often seen with new websites that have only recently been found by Google. Do not build links too quickly with a new site as it will look unnatural to Google results.