The RC Helicopter Training Sponge Ball Kit is perfect for beginners to practice. The training frame provides stability and control during flight, allowing beginners to learn and improve their flying skills. The kit also protect the aircraft from damage during crashes. Features -Color:Assorted Color -Material:Plastic, sponge -Size:34.00X4.00X4.00cm/13.36X1.57X1.57in -Solid and lightweight sponge balls with strong training rods, this set is not easy to be . -Great for beginners or experts who are trying out new RC helicopters. -The RC helicopter landing training gear kit can well help your helicopter from being during . -Practical and wonderful accessory for RC aircraft, directly fitment tool. -RC helicopter landing accessory is easy and convenient for installation, which is reliable and durable to use. Package list: 16 x sponge balls 16 x frame 48 x rings 32 x binding wire