Mekansm Magic Blocks No.K159

Piece Count: The set contains 344 pieces of micro building bricks.

Design: Features Hello Kitty in a sitting position, often styled in a blue color scheme.

Finished Dimensions: Approximately 66mm (H) x 66mm (W) x 54mm (L).

Material: Made from durable ABS plastic.

Complexity: Rated for ages 14+ due to the small size of the micro-particles, though some listings suggest a lower starting age of 7+ for similar intellectual toys.