• High Quality Newtons Cradle Pendulum: The 5 balls newtons cradle is made with pure wooden base,strong fishing lines and shiny metal balls & rods. Size:5.11*4.33*5.51 inches.
• A Beloved Gift: If you want to prepare a birthday or Christmas present for a child, this perpetual motion toy is an ideal choice. Children will love it and keep hands busy! Could be happy in the science game.
• Desktop Decoration: The cute desk pendulum is a good desktop decoration for home and office. The movement of metal balls could also let you release and feel relaxed.
• Good Packaging: The cool science stuff comes packaged in foam box, which is completely wrapped to protect it. No need to assemble. convenient and interesting.
• Occasions: Science education supplies, psychotherapy, sress release, leisure and entertainment, birthday present, holiday gifts, business gifts.
• Customer Service & 100% Satisfaction: Hope your every shopping experience is wonderful. Please feel free to contact us if you have any questions (please know that any problem is ok), and we will deal with them immediately.