Courtesy of this article [http://www.theglobeandmail.com/life/parenting/young-children/children-health/bucket-list-for-kids-50-things-to-do-before-theyre-12/article2409207/] and this article [http://www.wired.com/geekmom/2012/05/50-geeky-things-kids-should-do-before-theyre-12/]

• Teach animals to be learned from wildlife & plants - how they survive & adapt. Ask them to reflect on these things, study each, report back with what they've learned from their observations.
• Nightly, bring up a topic for debate and ask everyone to form an opinion and take a side on the matter, arguing it concisely (with a timer).
• Read Edward Gorey poems
• Read "The Real Mother Goose"
• Teach them not to blabber about sensitive subjects with acquaintances and strangers

General Opportunities that should arise

• Climb a tree
• Roll down a really big hill
• Camp out in the wild
• Build a den
• Skim a stone
• Run around in the rain
• Catch a fish with a net
• Eat an apple straight from a tree
• Throw some snow
• Hunt for treasure on the beach
• Make a mud pie
• Dam a stream
• Go sledging
• Bury someone in the sand
• Set up a snail race
• Swing on a rope swing
• Make a mud slide
• Eat blackberries growing in the wild
• Take a look inside a tree
• Visit an island
• Row a boat
• Feel like you’re flying in the wind
• Hunt for fossils and bones
• Watch the sun wake up
• Climb a huge hill
• Get behind a waterfall
• Feed a bird from your hand
• Hunt for bugs
• Find some tadpoles
• Catch a butterfly...carefully.
• Track wild animals
• Discover what’s in a pond
• Call an owl
• Check out the crazy creatures in a rock pool
• Bring up a butterfly, and/or mantids
• Catch a crab
• Go on a nature walk at night
• Plant it, grow it, eat it
• Go wild swimming
• Go rafting
• Light a fire without matches
• Find your way with a map and a compass
• Cook on a campfire
• Build a robot (functional, cardboard, or otherwise)
• Play with Lego bricks
• Inspect something under a microscope
• Tear something electronic apart
• Learn to solder
• Write a “Hello World!” program
• Play a musical instrument
• Act in a play
• Play an “old fashioned” video game before getting too jaded by modern graphics
• Play a record on a record deck
• Plant seeds and watch them grow
• Look through a telescope
• Stay up to see a meteor shower
• Create a lightsaber from an old cardboard tube and shiny paper
• Learn how to use a map
• Read a trilogy
• Line up your collection alphabetically and catalog it
• Mix something cool with a chemistry set
• Write something in binary
• Silkscreen a t-shirt
• Design a game (board or video)
• Make clay or paper dolls / action figures
• Make a pinhole camera
• Make a stop-motion animation
• Build a costume
• Read comic books
• Build a model
• Make a website
• Blow up something in the pursuit of science
• Build a desktop computer
• Build a go-cart
• Cook a meal/invent your own recipe
• Make up your own country, world or language
• Learn to make a call on a phone (say hello, identify yourself, ask for person you want to talk to, say goodbye)
• Paint your tennis shoes
• Memorize something you’re passionate about – all the Pokemon, who’s buried in Egypt’s pyramids, anything!
• Start a business: make lemonade to sell, craft jewelry, write and sell a newspaper…

And also 67 Books to read to kids [http://www.wired.com/geekdad/2012/03/67-books-for-kids/?pid=1185&viewall=true]