Make sure the PODs are facing in the proper direction. the surface noted "Top" should be facing upwards. If you have problems try it in an area on the floor first and follow along with the detailed instructions sent with your kit.
Starting at the first rowm place a POD down with TOP facing upwards.Place another POD about a hands width APART from the first POD and repeat. For the second row you will place the next POD so that it interlocks with the first and second PODs you placed on the frist row. Repeat.
When you complete the second row you will see that the PODs interlock to form a honeycomb like configuration.