This is cool! It is the Micro Machines Zbot Radical Robot Machine called the "Ballistic Bomber Mobile Mega Cannon". It is from the Galoob 65720 assortment back in '92. Comes with the tank like cannon and the robot figure as shown. Toy is still carded and has never been opened! 

Condition is new and unopened with minor shelf wear as shown. Use Buy It Now to add it to your Zbots collection today!