Barefoot Books Solar System Format:Hardcover Hard-shell sliding knee cap helps

Hard-shell sliding knee cap helps deflect impact energy

Hand-knit in China

The textured knit construction adds depth and character to this versatile piece

while articulated knees give kids the freedom to move naturally

Barefoot Books Solar System Format:Hardcover Hard-shell sliding knee cap helpsA glow in the dark, interactive hardcover guide to the Solar System, carefully crafted to make complex STEM concepts like astronomy, physics and chemistry understandable for children aged 8 12. Barefoot Books Solar System joins the celebrated Barefoot Books World Atlas as another standout nonfiction title on Barefoots list to explore the world and universe.