3D Dinosaur Party Birthday Party Invitations By Meri Meri A printable invitation for a dinosaur party! Invite is 3D and comes with 3D glasses to include with each invitation. 8 3D Dinosaur invitations, envelopes, & 3D glasses A perfect addition to our complete Dinosaur ROARRR Party Package! 6 x 8 cardstock invitation. Print yourself on your own printer!