Parents, if your kid's Bobby Car is getting noisy or you just want to upgrade it, these Fulda Whisper Wheels are a game-changer! They're specially designed to be extra quiet - the special rubber compound makes rolling so much quieter on floors and asphalt. Your ears will thank you during indoor play sessions! This set includes four wheels with sporty Fulda SportsControl tyres that fit all BIG Bobby Car Classic models from 2010 onward. The wide design gives excellent grip, and they work both indoors and outdoors - on carpets, hardwood, grass, you name it. Installation is pretty straightforward with the included mounting clips and instructions (though the English isn't guaranteed, the diagrams are clear). They're manufactured by BIG in Germany and tested for safety, suitable for kids aged 1-5 years. The bright look makes the car look sportier and fresher. Honestly, if your Bobby Car has seen better days or you just want to reduce the noise level during playtime, these wheels are totally worth it. They maintain all the fun of riding while being much more pleasant for everyone in the house. Plus, they're durable enough to handle rough play from active toddlers!