Water Seesaw KitWater runs into the small trough until it is so heavy that it becomes overweight and tips over. The trough empties, the bell rings and the seesaw rocks back. The snipe rocks and rocks and rocks and can be operated with sand, gravel or balls. It is the technique of the "Gnepfen", which was used in the past to crush stones into gravel. Age Recommendation: Assembly from 9 years, play from 3 years Product Dimensions: 4 x 15. 8 x 22. 3 cm