Tree of Knowledge Dynamics Kit

Full color, easy-to-read instruction manual with graphic...

$23.95

New

Easy Returns
We Keep it Simple!

Money Back Guarantee!

30 Day Free Returns!

Full color, easy-to-read instruction manual with graphic illustrations. This kit contains over 45 activities such as building a fan, making a yo-yo, and making a hydrometer while exploring the principles of gravity, inertia, mechanics, friction, and surface tension.