The Human Feet Anatomy Jigsaw Puzzle by Genius Games is a unique and educational science puzzle featuring a double-sided, interlocking design. With 500-749 pieces made of cardboard, this puzzle showcases the theme of science puzzles with a multi-color design. Perfect for children aged 3 and above, this puzzle is not only fun but also informative as it teaches about human anatomy in a visually engaging way. Additionally, the puzzle features glow-in-the-dark pieces for added excitement and challenge.