PUZ1024 Tri-Plane Small 3D Puzzle by Puzzled Inc. Tri-Plane Small 3D Puzzle High grade 3mm wood puzzles come individually shrink-wrapped with instructions and sandpaper included. Pop out the pieces and go! Painted or left as natural wood, it is a challenging, educational and creative activity for all ages. Start your collection today! - Dimensions: 0.25in H x 7.31in W x 9in L - Age: 6 and Up - Number of Pieces: 31 - Assembled Size: 8.25in L x 8in W x 3.5in H