‍SJ04 神秘流水  Mysterious water

产品规格：83x30x125cm

利用水缸活塞向下压时，使水产生水压，水从农田透明盒中喷出，水落下后回到蓄水池内。小朋友通过动手直观的感受水泵原理。

Generate water pressure by pressing piston of water vat. The water erupts from the transparent box in the field and returns to the reservoir after falling. The kids intuitively feel the principle of water pump by operation.‍