Made for learning to ride a 16" to 18" inch bike. Training wheels make sure the bike stays balanced.

Something you should know before deciding to buy a pair of training wheels for your kids:

When young children start to ride a bike,the first thing they need to gain is a sense of balance.

Training wheels or stabilizers are an additional wheel or wheels mounted parallel to the rear wheel of a bicycle that assist learners until they have developed a usable sense of balance on the bicycle.