Maya Pedal: Create bicimaquinas, or bicycles hooked up to simple machines to provide power.

Eco-leña & Biofuel: Legacy Foundation provides simple machines and training to make eco-friendly fuel sources

SunSaluter: Solar panel rotator that uses the power of gravity with a water clock to enable a solar panel to passively follow the sun throughout the day, boosting energy output by 30% and producing four liters of clean drinking water.

Days for Girls: Washable, reusable menstrual pads so that girls don't have to miss school when they are on their periods.

Girls Not Brides: A global partnership committed to ending child marriage

Campaign for Female Education: CAMFED is an international non-profit organization tackling poverty and inequality by supporting girls to go to school and succeed, and empowering young women to step up as leaders of change.

Raspberry Pi: This $35 stripped down minicomputer teaches coding.

Mary's Meals: Every child receives one daily meal in their place of education.

CARE: Community-based efforts to improve basic education, increase access to quality health care and expand economic opportunity for all.

Grameen Foundation: Provides micoloans (loans in very small amounts) to lift people out of poverty.

Trees for the Future: By planting specific types of fast-growing trees, fruit trees, hardwoods and food crops over a four year period, families can positively change their lives forever.

Gardens for Health: provide seeds and hands-on trainings in skills like composting and creating pesticides to malnourished families to enable them plant home gardens full of diverse vegetables.

Peepoo: a personal single-use toilet that sanitizes poop shortly after defecation, preventing the feces from contaminating the environment.

Sodis: Teaching healthy water and sanitation habits in Potosí, Bolivia