40% back to school sale- GYMBOREE This post may contain affiliate links. Please see the full disclosure policy here. Posted on August 12, 2009 Written by Mary Leave a Comment Check out Gymboree.com and save up to 40% on everything for Back to School! There are also lots of items priced $10, $15 and $20. **Gymboree is also offering $25 Gymbucks for every $50 you spend! Shipping is a flat $7 on every order, or free when you spend $100 or more.