Featuring an LED sun and a double-sided poster, this Hape: Underground World 36-pc. Puzzle is great for encouraging children to learn about the seasons. FEATURES: GIANT FLOOR PUZZLE: Learn while you play with this terrific puzzle that teaches children about what's underneath our feet! With dinosaur fossils, magma, man-made machines, and more, they'll learn about what goes on underground while putting together., LED EARTH CORE: The glowing red core of the Earth has LED lights that make it look awesome! It also includes a double-sided poster with illustrations and extra fun facts about the underground world., 36 SHINY HIGHLIGHTED DETAILED PIECES: Underground world puzzle with shiny highlighted details. This bright and colorful, extra-large floor puzzle has shiny, highlighted details to capture the attention of your busy kid., PLAY & GROW: It develops language and cognitive skills, encourages curiosity, builds hand-eye coordination, improves fine motor skills, and teaches problem-solving., UNDERGROUND WORLD PUZZLE: Perfect for encouraging a love of geology and the natural world. Lovely shaped gift box. For 4 years and above. Powered by 1 CR2025 battery (not included). WHAT'S INCLUDED: 36 cardboard pieces, 1 LED glowing sun, 1 Fun facts Poster. DETAILS: Age: 4 years & up, No assembly required, Requires 1 CR2025 battery, not included., Wipe clean, 2.44 x 11.81 x 13.39 inches, Plastic, E1637, No warranty. Gift Givers: This item ships in its original packaging. If intended as a gift, the packaging may reveal the contents. Size: One Size. Color: Multi. Gender: unisex. Age Group: kids. Material: NONE.