It is a swimming training product and is light in weight. It is a flotation aid used to develop a swimmer’s kicking action. These training aids are designed to help your kid get the most from your swim workout. Each training aid will work a particular part of your body, so they can focus on increasing strength, stamina or tone where it suits the kid. Great fun for the kid’s Pool School (TM) Step 3 Deluxe Inflatable Kickboard from Intex.