Among the sand and glitter in the I Spy Wonder Tubes are I Spy pictures. Find the floating pictures in the tube to answer the I Spy riddle/rhymes. There are three different sets of riddles and five different colors to collect. "The I Spy Wonder Tubes are unique because they feature the I Spy images AND I Spy riddles," Carol Comes, senior product manager at Briarpatch Inc., told TDmonthly. Launch date: February 2011.