Here are water-themed toys might interest you/them: https://www.amazon.com/Romper-Room-Waterfuls/dp/B07DQNYD8Z https://www.amazon.com/Romper-Room-Waterfuls/dp/

Here are water-themed toys might interest you/them: https://www.amazon.com/Romper-Room-Waterfuls/dp/B07DQNYD8Z https://www.amazon.com/Romper-Room-Waterfuls/dp/B07DQNYD8Z https://bridgestreettoys.com/wp-content/uploads/2020/04/HYDRO_BOOK.pdf https://bridgestreettoys.com/wp-content/uploads/2020/04/HYDR... https://www.target.com/c/sand-water-tables-outdoor-toys/-/N-rujbf https://www.target.com/c/sand-water-tables-outdoor-toys/-/N-... What I was really looking for was a science toy I had as a kid, where you could build various types of pumps, siphons, etc. It only needed a sinkful of water.