Newton Balance Ball Medium Size

✔ Newton Balance Balance Ball.✔ Contains 5 stress balls.✔ Made based on the Laws of Motion of the Famous Scholar Newton.✔ Does not require batteries.✔ Dimensions are 13.5x13.5 cm.✔ It is a suitable gift option for special occasions such as Birthdays, Valentine's Day, Mother's Day and Father's Day. It is also a suitable option for students.