Solid wood (common types include beechwood, walnut, or bamboo)
Non-toxic, eco-friendly finishes or coatings (e.g., natural oil or water-based varnish)
Size:
Individual coaster size: 8 to 10 cm in diameter (approx. 3.1 to 4 inches)
Thickness: 0.5 to 1 cm (approx. 0.2 to 0.4 inches)
Puzzle base size: 15 to 20 cm square or circular when assembled
Design:
Each coaster shaped like an animal (e.g., elephant, bear, fish)
Pieces fit together like a puzzle on the base
Coasters may be flat for drink placement or slightly raised at the edges
