LOZ Diamond Blocks Avengers Gift Series Nano Block 240 Piece Building Set - Wolverine Fun to Build Micro Blocks with colorful details. Build and display characters from your favorite movies, TV series, games and comics. Each character features colorful details. Assembly Required. Instructions included. Pieces are as small as 2 mm. Choking Hazard. Not for small kids. Recommended age 14+ PARTS GUARANTEE: Broken part? Missing part? If you find yourself in need of a replacement for any reason, just give us a call! Well get you what you need so that your child can get back to building as soon as possible.