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All the robot are easy to assemble and don't require soldering. You may need a screwdriver, scissors or pliers to do that. However, when it's cloudy weather, a halogen bulb with a capacity of at least 50 watts can help you a lot.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.