
Trivia: In Andy's room, when Buzz Lightyear tries to prove to everyone that he can fly, he bounces off the ball (red star/blue stripe) from Pixar's first film, Luxo Jr.

Trivia: There's a hidden Mickey on the 'MEGADORK' poster in Sid's room - the Mickey tattoo on the musician's arm.

Continuity mistake: When Woody opens the back door on the moving van, the ramp handle is black. But when Rocky Gibraltar uses it, it is red.
Answer: Baby face taps RR TOYS COME OUT. Telling the other toys to come out from hiding. Pixar stated this in their Toy Story character overview.
But why "RR"?
"RR" is shorthand for "Message Received." Babyface is telling Woody that he understands Woody's problem and then taps out to the other toys to come out.