Cryptography: Learn the science of decoding messages and its importance in history. Solve some cryptography puzzles and create your own secret messages. For 4th-8th grade. Registration required. Please sign up for up to two THINK Tank programs in May. For more sessions, please request to be put on the waiting list.

Nov 20, 2024, 6 to 7:30 PM

Nov 20, 2024, 7 PM

Nov 23, 2024, 10 AM to 1:30 PM