Thames and Kosmos Alien Robots 2013 Dissolve metals with electrochemical reactions

Dissolve metals with electrochemical reactions

crystal lattices

Package Size: 4 x 12 x 8

all the other balls roll down to the next level in unison

Thames and Kosmos Alien Robots 2013 Dissolve metals with electrochemical reactionsConstruct ten out of this world machines and learn about the physics of levers and linkages. A battery powered motor box powers the models. Make a creepy slithering alien snake bot model with rotating arms and articulating tail. Build an alien insectoid bot that crawls on six legs. Create an alien raptor model with wings that move up and down. Assemble a cool grabber claw with a scissors mechanism. Make a bipedal alien robot model that walks on two