Piece together a colorful avian scene with Mudpuppy´s Birds Illuminated 500 Piece Glow in the Dark Puzzle. After you complete the puzzle turn out the lights to reveal glowing birds and other secret surprises! ? 500pc puzzle: 20 x 20", 51 x 51 cm ? Box: 8 x 8 x 2", 20 x 20 x 5 cm ? Puzzle greyboard contains 90% recycled paper. Packaging contains 70% recycled paper. Printed with nontoxic inks. ? All Mudpuppy products adhere to CPSIA, ASTM, and CE Safety Regulations ? Fun for everyone aged 8+