Shapeways: Jump Start Robots

Here are some figures I just designed in AutoCAD and I'd really love some opinions on the two of them. If you're interested in buying them, they are available in three kits on shapeways. They're best if bought in color (minimal paint required).
https://www.shapeways.com/product/66...1-white-pieces
https://www.shapeways.com/product/G3...-2-blue-pieces
https://www.shapeways.com/product/CG...-3-grey-pieces

https://www.shapeways.com/product/66...1-white-pieces
https://www.shapeways.com/product/G3...-2-blue-pieces
https://www.shapeways.com/product/CG...-3-grey-pieces