Poke Block
Platform: Nintendo Entertainment System
Region: Prototype (USA)
Media: Cartridge
Controller: NES Gamepad
Genre: Puzzle 
Gametype: Prototype
Release Year: Unreleased
Developer: Idea-Tek
Publisher: Idea-Tek
_________________________
Poke Block is a Stacking Puzzle game, developed and published by Idea-Tek, which was cancelled before it was released.

http://www.gamefaqs.com/console/nes/home/935551.html