They're Hi-Mount Stabilizers employed for Mini 4WD vehicles. This version is available in as Limited-Edition yellow color to add a splash of accent color towards automobiles color theme.
• Hi-Mount Tube Stabilizers x3
• Stabilizers are for accessory to front rollers. They assist balance the vehicle if it loses form during a large part.
• Stabilizer dimensions: 8mm diameter, 10mm tall.
• components are molded in clear yellowish synthetic.
• tiny parts for accessory included.
• suitable for Mini 4WD & Mini 4WD PRO automobiles.