Your kids and you will love this brand new jigsaw puzzle game. Applicable for 3 years to 109 years old! Tired of regular jigsaw puzzles? Still looking for a SPECIAL puzzle for your kids and yourself? Try our T-Blocks puzzle. With 3 Modes and 6 difficulties each mode. Features: √ Three Modes: 1: Tetris Like Mode: Form the pictures with Tetris like shapes.