Teching All-Metal Stirling Engine DIY Model Collection Gift Developmental Science Toy DM20

Description Brand TechingItem No DM20Quantity of Parts 67pcsNet Weight 240gBattery 500mAh 2 Include Working Voltage 10 20VCharging Time About 40 minutesDisplay Time More than 30 minutesAge More than 10 years oldPackaging Retail Box and Gift BagFor English manual please click hereFor More Teching Engine https www banggood com search teching 133 0 0 0 0 44 0 price 0 0 p 1 html sbc 1Features 100 brand new with high quality Origin of the story Pedestrians origin human like bipedal walking is the most difficult walking action in the biological world but its walking performance is indeed unmatched by other walking structures It is not easy to develop a walking robot and it is not easy to shoot the camera All of them are high order non linear non holonomically constrained multi degree of freedom systems that are killed by engineering After the pedestrian and app smart control the user can easily control his walking trajectory Product material and workmanship The product uses metal material CNC casting precision casting aluminum alloy oxidation coloring collection of craftsmanship level exquisite workmanship 67 parts are all polished by professional grinding tools perfect interpretation of human wisdom in the era of big industry create and yearning Vision The mechanical mechanism is extremely presented and the clear transmission process is clear at a glance and the mechanical beauty of the logic and strength is displayed Reducing degree Based on