Check the listing for details. Cogo CG4429 Mars Rover Building Blocks 326pcs Toy Kit New Sealed. Color: Multicolored, Condition: New, Made in China. Listed at 99.54 USD. The Cogo CG4429 Mars-Rover Klemmba Bones kit kit is a detailed model with 326 building blocks that enables a Mars rover in the style of the curiosity rover. This set is aimed at builders from the age of 6 and promotes creative building and technical understanding. The set enables the construction of a detailed Mars rover, which is equipped with movable wheels and a stable base. The building blocks are kept in different colors, which gives the model an appealing look. Thanks to the clear instructions, even younger builders can assemble the model independently. The Cogo CG4429 Mars-Rover Klemmba Bones kit kit is a successful combination of creative building fun and technical learning. It is ideal as a gift for young people interested in technology and space and at the same time promotes unde.