Young Learners

Interactive
The EFL Playhouse- Interactive activities, songs, games, etc
ESL Games Plus- Tons of interactive classroom games, grammar review games, spelling games, matching and more!
Barry Fun English- A large number of ready to use flash games and powerpoints (some free)
ESL Kid Stuff- Online games for ESL kids
KizSchool- Video tutorials, powerpoints and games (paid site, but some free samples)
English Club- Activities and games including listenings

Downloadable or Printable
ESL-Kids- Choose/modify a word list and create a large number of worksheets and games instantly!
English 4 Kids- Powerpoints, lessons, worksheets and games
KIDiddles- Downloadable songs and lyrics
Lanternfish- Printable wordsearches, crosswords, bingo cards, more as well as  downloadable activities and worksheets
ESL Games Plus- Puzzle worksheets, flash cards, powerpoints and games
Barry Fun English- Ready to print and templates for games, worksheets, flashcards and puzzles (some free)

ESL HQ- Downloadable and "make your own" worksheets, flashcards, games 

MES English- Free printables including games, worksheets, flashcards, projects and even certificates!
Discovery Puzzlemaker- Make a variety of puzzles to print
Busy Teacher- Free worksheets that involve coloring, puzzle makers in the "more" menu. (registration free)

Reference
ESL-Kids- List of games requiring little or no preparation

Spotlight On Lesson Plans
Take Shape 2, Unit 1, pages 4-6