I forgot to mention because your devices were sold in a kit they may already be paired to the bridge device. So you will need to reset them in order to be able to pair them to your smart things hub instead. Here are the instructions for doing that:
Also, you don’t need the bridge device anymore, that one only worked with their cloud. You are going to instead connect the lights directly to your smartthings hub.
Some people have found it easiest to go through the pairing routine if they plug it into a power strip, and then they just turn the power strip on and off in the desired pattern. Physically plugging and unplugging the light strip itself can sometimes take too long and throw off the timing. Here’s a discussion about that issue: