Suitable for children and adults, it is very suitable for studying science, killing boring time and releasing stress, which makes it a good gift for birthday and holiday.
It is not only a toy, but also a good desktop decoration. You can put it on a table or shelf and swing it anytime, anywhere, which will be a wonderful view of your home or office.
It shows the Laws of Conservation of Momentum, and the friction and damping effects are also observed.
Made of metal and plastic material, economical and durable.
There are multiple styles to choose from.