Bobbleheads are usually issued for many reasons but most of the time they usually celebrate a particular player, mascot or milestone achieved. This said sports bobbleheads usually have a way of celebrating particular milestones reached by specific players such their first bobblehead as a pro or getting into the hall of fame. There are also signed versions which can include relics like a jersey piece.

Sports bobbleheads are not just limited to the standard sports issues created but if you have a particular athlete or sporting event which you would want to promote then using a bobblehead is best. It acts as a show of appreciation towards the individuals goals and dreams as well as helps people to drum up support if it is an event you are promoting.

When you are shopping online for sports bobbleheads you will most definitely come up with these terms:
Retail: it means that they can be purchased in a traditional store or online as well. They are usually distinguished by brand and theme of that particular set.
SGA/SGB: these are very weirdly interpreted by many people but they mean that they are only available as stadium giveaways. They usually depend on the team that is issuing it as they might decide to accommodate for the whole stadium capacity or give them to a pre-announced number of people. These are usually free since they are sponsored.
STH/ST: these are those sports bobbleheads that are made available to season ticket holders and are therefore limited in quantity. Because they are specifically issued to the best fans for the team who are with the team at every home match, they are usually hard to be tracked down.
NIB: this means New in box. This implies that the bobblehead usually comes in the exact condition as it was issued with all paperwork and packaging included.
STH/ST – These are bobbleheads that only available to season ticket holders, so the quantity is usually more limited. Because they are issued to fans who enjoy the team enough to purchase tickets for every home game each year, these limited edition bobbleheads can be the toughest to track down.