Bolek is sleeping in his cottage.
You can get Bolek out only in chapter 2.
Maybe you can slide Bolek out.
You can try to tilt the cottage.
A pile of dirt is holding the cottage. You need a spade ? to dig a pile of dirt.
You will find a spade from wolf's base, in the cellar.
Use the spade with pile of dirt. Then push Bolek.
You need something slippery for the floorboards.
You need soap. ?
You will find soap in the fountain, from town.
You need it to the floorboards. Use soap with water. Use wet soap with floorboards and push Bolek.