HART Kickboards are the perfect training tool for beginners or experienced swimmers. Ideal for kicking drills, general training or to be used as a float aids when learning to swim. Store yours easily in the HART Stackable Open Crate that fits 10 HART Kickboards. 10 HART Kickboards & 1 HART Stackable Open Crate. Available in 4 bright colours. Size: 38cm x 25.5cm x 3cm. Isolates legs to build strength and power in training. Durable, waterproof construction. Great for swim squads. Easy and convenient storage.