Happy Knees Here is your everything guide

Here is your everything guide to the world of crystals

Challenge your friends and family to a game of logic and strategy

with a tower design that won't take up much of your desk space

numbered hour and minute discs

To get a better idea of how differentials work

Happy Knees Here is your everything guideProtective kneepads designed with non slip grip and extra padding to prevent scrapes and bruising. Designed to boost confidence for crawling on hard surfaces. Perfect for use on carpet, hardwood floors, and even outdoors Size (one size fits most): 6 x 3. 5 Recommend Age: 6 months+ Colors available in Pink, Light Pink, Purple, Blue, and Heathered Light Blue. Color chosen at random when shipped.