Exclusive Design: 4 LED-lit yo-yos with 4 distinct patterns that will appeal to most players. Durable Material: These responsive bearings toys are made of strong plastic material, safe and reliable, impact-resistant and long-lasting, not easy to break. The print is bright and clear, not prone to fading; a reasonable bearing distance makes it easier to perform various actions on the string. Blinking LED Lights: These dazzling automatic beginner toys are equipped with button batteries and will light up when turned on, creating a bright show that will make you stand out in a crowd. The delicate patterns change with the blinking lights, beautiful and charming. Fun Gift: These bright and responsive beginner toys are perfect for warming up the festive mood and also make a fun and exciting gift for classmates, colleagues, family members, students, especially on birthdays, carnival festivals, Christmas or other holiday events and occasions. Combine Fun and Skill Development: These responsive LED beginner toys can help improve your child's focus, hand-eye coordination while creating more opportunities for family interaction.