At home or in the classroom, create a scavenger hunt where riddles serve as the clues. On Easter morning, you could write a clue such as "The Easter bunny hid the next egg right by the jar of honey," and have little ones go in search of the next brightly colored egg. For older children, use hints and clues worded in riddles to direct the children to a specific location or an object.
Send out invitations that have guests trying to figure out the theme of your party. Award a prize to whomever shows up in an appropriate costume. At the party, you could incorporate some other ideas such as scavenger hunts or trivia games with riddles. You could write a little riddle on everyone's cup to give the guests something to talk about while the food is being served. Have small prizes to give to people who come up with the most creative riddle.
Introduce your students to a group of educational riddles such as those presented by Puzz entitled Riddles & Riddle IQ Tests. Ask them what the point of riddles is and how understanding riddles can help them to become better readers, especially in terms of context clues. After they have answered some riddles on their own, divide the class up into groups and have the groups come up with five riddles to share with the class.
Set up a riddles trivia game in school, at a block party or for an organization to which you belong. Divide the group up into a number of teams, depending on how many people are present. One person has to be the presenter and say the riddles to the teams. Each time a team gets a riddle correct, it is awarded a point. Award a small prize to the team who has the most points by the end of the game.