We are experiencing issues that prevent checkout in Internet Explorer 8.

You can browse and even save your cart, but you'll need to use another browser or a different device to place your order. Sorry for the inconvenience.

FREE SHIPPING ON ORDERS $75+

US ECONOMY ONLY • NO CODE • DOESN'T COMBINE WITH OTHER OFFERS
RePhone DIY Cell Phone Kit

RePhone DIY Cell Phone Kit

$45.99 $58.99 Sale

Save 22%

Wrap and Grow

Wrap and Grow

$9.99 $12.99 Sale

Save 23%

Mathematical Scarves

Mathematical Scarves

$14.99 $24.99 Sale

Save 40%

Plush Bouquet - Microbes of Love

Plush Bouquet - Microbes of Love

$19.99 $49.99 Sale

Save 60%

Girls Who Code

Girls Who Code

$17.99 NEW

Smartest Mom Brain Cell

Smartest Mom Brain Cell

$5.99 $9.99 Sale

Save 40%

Smartest Dad Brain Cell

Smartest Dad Brain Cell

$7.99 $9.99 Sale

Save 20%

Irrational Pi T-Shirt

Irrational Pi T-Shirt

$14.99 $19.99 Sale

Save 25%

They'll Never Suspect Science T-Shirt

They'll Never Suspect Science T-Shirt

$14.99 $19.99 Sale

Save 25%

ThinkGeek #geekfamous T-Shirt

ThinkGeek #geekfamous T-Shirt

$9.99 $19.99 Sale

Save 50%