limited offer US $15.59 Happyxuan 5 sets DIY Physical kids Science Experiments Kit School Projects Robot Assemble Creative

Happyxuan 5 sets DIY Physical kids Science Experiments Kit School Projects Robot Assemble Creative

[32885180692] "if i listen i forget, if i see i remember, if i do i learn" -------Montessori Happyxuan 5 sets DIY Physical kids Science Experiments Kit School Projects Robot Assemble Creative Toys for Boys Educational Suitable age:3~12 years old Key features: DIY construction, easy to assemble, great project for kids with adult supervision Product functions:1.exercise kids hand-on ability 2.easy to opreate,give kids a sense of accomplishment one lot includes 5 sets as below: (1) DIY Graffiti Drawing Robot (2) DIY Hand Crank Generator (3)DIY Paint BearRopeClimbing (4) DIY Solar EngeryCar (5) DIY Earth Sun And Moon Model Note: the battery is not included in the set. The product is non-finished product. It need to be assembled by the buyer. (1) DIY Graffiti Drawing Robots Product material:Environmental protection plastic Powered by 2 AA batteries (not included) (2) DIY Hand Crank Generator Product material:plastic Product size:90*75mm Working principle:Mechanical energy is converted into electrical energy and electrical energy is converted into light energy battery, screwdriver are not included in the set. (3)DIY Paint Bear Rope Climbing Product material:wooden Bear size:62*15*72mm Working principle:use the force of frictional to achieve the effect of bear climbing rope.left and right pull the rope, the bear will climb along the rope ; loose the rope, the bear will slide to the bottom. Features:Exercise children's hand muscles and hand-eye coordination. The child can also paint his favorite colors and design his own special bear. pigment is not included. (4) DIY Solar Engery Car Product material:plastic product size:80*68*26.5mm Working principle:solar energy converts into electric energy Product features:don't need battery,save energy and protect environment Note: The sun shines should perpendicular to the solar panel. The strong noon sunlight will be better. (5) DIY Sun and Moon Model Material: plastic Rotation: The object rotates by itself, and the object rotates along an axis that crosses the body itself. Revolution: The earth rotates around the sun while it rotates. The movement of the earth around the sun is called the revolution of the earth.