First paint some areas of the boat with white handicraft paint. Once dry, cover with the soft glass mosaic as desired.
Then mix a little joint filler mix with water to form a creamy paste and brush into the joints of the mosaic.
The excess paste can be easily removed with a damp sponge. Once the joint filler has dried, you can wipe the stones again with a dry cloth to make them shine again. Then take the grout finish and coat the mosaic with it.
To protect the boat from moisture, coat the wood (inside and out) with wood stain varnish.
If the boat is to be planted with plants, it is advisable to cover the inside of the boat with an additional film.
Finally, attach the chain of light over the plant.