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Specification: Item DIY Potato Powered Digital Clock Material Plastic, Metal parts, electronic components Color As the picture Size Zinc & copper sheet width 1cm, length 5cm Weight 29g Description: Fruit battery experiment description: With zinc & copper & wire & a number of electronic clocks & light-emitting diodes or potatoes, oranges or oranges & other fruits & vegetables, first Kneadthe fruit to make it more relaxed to facilitate the flow of water, insert the two electrodes, & wire & Electronic clock, then it finish Fruit battery power generation principle: Because the fruit contains electrolytes such as citric acid, it inserts two kinds of metal plates with different chemical activities in the fruit, Due to the positive charge, The system needs to be stable so that in the case of a primary battery, the system is stabilized by the electrons from the circuit, in which case the current size is theoretically related directly to the acid concentration Note: The fruit, such as Potato or other fruit, you need to prepare by yourself Package included:1 XDIY Potato Powered Digital Clock ...

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Description: Product: DIY RC Robot Arm
Materials: Metal Main Board: /16-ways bluetooth Control Servo: Digital Servos KS3527
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Note: Since 10th June, this DIY Robot is the new version. Thank you! It is handmade toys, let the children hands-on assembly, can exercise the childs ability & the ability to observe, to cultivate childrens patience. Description: Name: Solar Quadruped Robot Model: Assemble toys
Material: Environmental PMMA
Size: About 115*105*85mm
Features:1) Using acrylic environmentally friendly materials, safe non-toxic & harmless, children can play with ease.2) Assemble themselves, develop good habits, such as the childs patience.3) Parent-child interaction & deepen the feelings of children & their parents. Package included:1 x Solar Quadruped Robot Manual: Click here


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QDS-1503 Robot Arm Smart Metal Hand Manipulative Finger Kit for DIY Robot Description: Name:DIYRobot Smart Metal Hand Finger Type:QDS-1503 Age:8 years old
Material: Aluminum Alloy Model: Left H&, Right H&, Left & right hand Hand

Size: 122.73*54.5*32 mm Weight: About 250g (two hands) Servo

Size: 40.2*40mm (included)
Features:1. It is Handmade mini robot hand which has innovative design & realistic movement.2.A extraordinary product for you to practise & develop aexcellent hands-on skills.3. One Servo links & drives five fingers. Better to use the original servo due tofitted size & holes. Note:1. If you want move five fingers individually, it has toreform with five servos ID1063242. Or we recommend this five moving robot fingers arm ID1063112.2. It is Unassemble Delivery, which required you withpatience & hands-on abilitybut without difficulty. Assembly Instruction: Click Here Package included:1 x Servo & parts 1 x Accessories Bag (All double for two hands)





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DIY Quartz Wall Clock Movement Mechanism Repair Part Kit With Hands ...

null Specification: Material type: wood Production method: semi-manual semi-mechanical Category: music box
Material: pine
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Description: Basicinformation Brand:WPLItem No.:WPLB-24 Scale:1/16
Colour: Blue & green Power System Motor:180 Servo: 17g
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Description: Product: DIY RC Clamb Robot
Materials: Wood + Electronic Components Battery: 2* AAA Batteries (not included)
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