- 45 wine bottle corks
- stable cardboard
- All-purpose glue (eg
- from UHU)
- scissors
1. Place 9 x 5 corks side by side to the rectangle.
2. Cut the cardboard to the size of the rectangle minus 0.5 cm.
3. Stick the corks together with all-purpose glue and glue the cardboard under the corks.