By purchasing yarn from String Theory, you’re lifting up a number of small and female-owned businesses. We help women in Rwanda, who survived the genocide, educate a new generation. We help women in Uruguay find meaningful work without leaving their rural homes. We help a family in New Hampshire maintain a mill, a tradition spanning hundreds of years. We help restore the Patagonia Grasslands by encouraging sustainable farming.Every yarn we stock makes a positive impact.
Just Add Soap
Original Price
$32.00
Current Price
$16.00
Just Add Soap makes science and art at home easy by using supplies you already have. This kit comes loaded with everything you need for at-home science and art experiments, all you need to do is add the missing ingredient.
Discover fun clean science, viscosity, and surface tension. Learn about the geometry of bubbles, make your own soap and soap crayons. There are more than 20 different activities in this kit that time will just slip away!
Designed for kids ages 8 and up.