High grade 3mm wood puzzles come individually shrink-wrapped w/instructions & sandpaper included. Pop out the pieces and go! Painted or left as natural wood, it’s a challenging, educational and creative activity for all ages. Start your collection today! Assembled size: 10.5'L x 8.5''W x 7''H. 18 pieces. For ages 6 and up. Assembled size: 10.5'L x 8.5''W x 7''H. 18 pieces. For ages 6 and up.