Amongst the many geeky décor pieces on the set of The Big Bang Theory is Leonard and Sheldon’s adorable Rubik’s Cube tissue box. Make your own for display at any event as a subtle reference to the quirky, beloved show. Here’s my step-by-step guide to making your very own Big Bang Theory inspired Rubik’s Cube tissue box! Materials Cardstock or construction paper in black, red, orange, yellow, green, blue, and white Scissors/paper cutter Glue stick Tape Tissue Box Step 1 Cut 4 pieces of black cardstock or construction paper into 6 “ x 4.75 “ pieces for a 4 1/2″ x 4 1/2 ” x 5 1/4″ tissue box. Adjust…