Tunnel Card The Tunnel Card is a wild optical illusion that is about 1/4 of an inch thick, but looks like it has a deep tunnel in it. Turn it over and the tunnel looks like it's going deep from that side too! It's about the size of a credit card. Just press the button and the flashing LED lights will amaze you, your friends and family. Strangers too. It turns itself off automatically. The Tunnel Light features a keychain attachment so you can have it with you wherever you go. Tunnel Light ONLY $5.00 FREE Shipping! Buy More and SAVE! One Tunnel Light $5.00 Two Tunnel Lights $9.00 Five Tunnel Lights $20.00 Ten Tunnel Lights $35.00 Quantity: One  $5.00Two  $9.00Five  $20.00Ten  $35.00   GO BACK