Interactive exhibits of reversible cellular automata rules:
Time Tunnel,
Parity Flip,
Outer Parity Flip,
Outer Corner Parity Flip,
Outer Time Tunnel,
Outer Corner Time Tunnel,
Replicator Flip,
Replicator Tunnel,
Corner Parity Flip,
Corner Time Tunnel,
Inner Replicator Flip,
and Inner Replicator Tunnel.