Here is a recent list I made for my boys, ages 9 and under. Some of them are games that we own so substitute the games you have in their place. Also, some require a brother, some are solo.
Lincoln Logs
Magnetics
K’nex/K’nex
Bionicles
iPod learning games (20 minutes limit)
Leapster
Rush Hour and Rush Hour Jr.
Pattern blocks
Legos
Crafts (I have a craft bucket for them filled with stuff they can use any time)
Draw
Write a letter
Read a book
Ben 10 duel game
Hissss
Chess
Math scales
Research a subject
Look through the encyclopedias
Mighty Mind/Super mind
Puzzles
File folder games
Tangrams
Use math blocks
Pretend you have a store
Act out battles/wars/historical events we’ve read about
Paint
Playdough
Write a page in Pokémon book
Cover Your Tracks
Collide-o
Trimonoes
Dominoes
Corners game
Sum Swamp
Creativity Express
Typing program
Make a page in Hero book
War (card game)
Go Fish or Go to the Dump
Old Monkey
Listen to an audio book
Do your chores
Read a book to a little brother
Geoboards
Dress up
Draw on white boards
Scissors practice
Listen to music
Starfall
Science experiment
Use flannel board
Play with magnets on white board
Do online drawing lesson
Gears
Pizza Fractions
Beads
Serpentiles
Hyper Dash
Blokus
Castle/ship building cards
Coloring page
Straws & Connectors
Origami
Wedgits
Trio blocks
Perfection
4 Way Countdown
Pokémon dice game
Connect 4
Lacing cards
Pokémon memory
Battleship
Open-ended art project
Act out a part from your favorite book or scripture story
Design Challenge