Travel back to prehistoric times with Mudpuppy's Dinosaurs Glow-In-the-Dark Puzzle. After you put together 100 pieces of dinosaur fun, turn out the lights to see the puzzle glow!- 100 pieces: 18 x 12"- Piece puzzle together, then turn out the lights to reveal a glowing image- Ages 5 - Box dimensions: 7 x 5 x 3"- Winner of Family Choice 2016 Awards- Puzzle greyboard contains 90% recycled paper. Printed with nontoxic inks.- All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations