Feature:1. DIY wooden balance scale, exercise children\u0027s hands-on ability, stimulate children\u0027s interest in science.2. Screw assembly, fast and convenient, stable and not easy to fall apart.3. Made of ecological wood, safe and durable, environmental friendly and non-toxic.Specification:Features:DIY wooden balance scale, exercise children's hands-on ability, stimulate children's interest in science.Screw assembly, fast and convenient, stable and not easy to fall apart.Made of ecological wood, safe and durable, environmental friendly and non-toxic.Help children understand weight and comparison intuitively and understand lever principle.High quality educational toys, which can be a pretty gift for children aged 7-14.Specifications:Color: NaturalMaterial: WoodItem Size: 20.5 * 12.5 * 6cm/ 8.1 * 4.9 * 2.4inItem Weight: 70g/ 2.5ozPacking List:1 * Balance ScalePackage List:1 * Balance Scale