Riddles are a great way to encourage learners to develop their logical thinking skills, and the fish riddle offers the perfect challenge. Viewers must determine how to rescue a series of tanks containing an endangered species of fish.

Can you use math and logic to beat the bad guys? You can in space! Take an intergalactic trip into a seedy and speedy crime syndicate with the Seven Planets Riddle, which challenges two interstellar police officers to use deductive...