Who knows what kind of toy this is?

This toy is a German goki wooden toy: ice and snow multiplayer ball game.

Accessories: a foldable game version, 6 beads.

How to play: First choose a bead (you can choose more than two beads after proficiency), put it on the game board, and then pull the ropes on both sides of the game board respectively. Through the cooperation of two people, the beads on the game board can be successfully transported to the cave at the top. In this process, the player will discuss the walking trajectory of the beads. If the beads accidentally fall into the ice during transportation, it is necessary to start over.