Little Duck Organics Mighty Oats

Not only does Little Duck Organics Mighty Oats cereal boast all-natural ingredients with no added sugars or preservatives, the packaging is both eco-friendly and—get this—plantable. The cereal comes in a compostable bowl, and the outer casing is made from biodegradable cardboard that's embedded with vegetable seeds!
To buy: Whole Foods, $6 (three-bowl pack)
Honest Company Diapers

After Honest Company co-founder Jessica Alba found her daughter munching on the beads of regular disposable diapers, Alba was inspired to make diapers that are natural and nontoxic.
For the Honest Company, Alba helped create disposable diapers that are not only adorable but also naturally biodegradable and free from any harsh chemicals.
To buy: The Honest Company, $14
Recycled Soda Can Elephant

Want a unique toy for your older kiddo that's also eco-friendly? This cute and colorful elephant is made from only recycled items—soda cans and unused telephone wire. Handmade in Kenya, each artisan is also paid a fair wage and commission.
To buy: Greenheart Shop, $25
Esperos Backpack

Kids can give back even as they stuff their backpack with books for school or toys for a playdate. With each purchase of an Esperos canvas backpack or other bag, the company provides a child in need with school tuition for a whole year.
To buy: Esperos, $70
Mod Dollhouse

Parents, don't be surprised if you find yourself rearranging furniture in this cool mod dollhouse, made for the junior designer or architect in your family.
Made from eco-friendly MDF (aka recovered wood fiber that reduces landfills) and nontoxic paints, the Dylan House looks as if it belongs on a Southern California beach.
Unlike a real beach house, though, it's reasonably priced and comes fully furnished!
To buy: Brinca Dada, $169
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Lunch Skins

Ditch those plastic baggies for something more Earth-friendly. LunchSkins are stylish, reusable bags for sandwiches or snacks that are dishwasher-safe, toxin-free and hand-sewn in the U.S. And did we mention the cool designs?
To buy: LunchSkins, $9
Piggy Paint

So your daughter wants to paint her nails, but you're a little worried about all the toxins coating her nails? Piggy Paint nail polish for children was created by a mom who wanted to give her girls a colorful yet safe alternative to regular polish. After all, we know how often kids put their hands in their mouths! Piggy Paint is nontoxic, low-odor and comes in a variety of colors.
To buy: Piggy Paint, $9
Balance Bike

Made from sustainably harvested birchwood, the Smart Balance Bike has ditched both pedals and training wheels so kids can learn to balance by walking or running with the bike. If they feel as if they're about to fall, kids simply plant their feet to regain balance.
To buy: Planet Happy, $100
Drawing Pad

Inspire your little artists with eco-friendly art pads. Instead of new paper made from trees, the paper in this blank-page pad is made from 100 percent post-consumer fiber with soy inks.
To buy: The Green Playroom, $10
Tree Seeds

Take the traditional route on Earth Day, and have the family plant a tree with a seed kit from Greenteam Colorado. Whether it's Blue Spruce, Dogwood or Aspens, the tree seeds come in a recyclable cardboard container with biodegradable peat pots.
To buy: Planet Happy, $8
MORE: Easy Ways to Go Green