Try the Grecian Bottle Brainteaser Puzzle. Grecian Bottle is an ancient flask puzzle that challenges you to remove the stick and unveil the secret of Greece's true genius. Can you solve this puzzle and declare yourself a true genius? Emptying the bottle is challenging, but returning everything back into the bottle in its original state is even more difficult! Includes 1 glass bottle, 1 wooden rod, 1 bolt, 1 nut, 1 screw, 1 metal pin, 1 wooden ball. Difficulty rating of 5/5 stars. For 1 player. Recommended for ages 14 and up. Wood, glass and metal. Wipe clean with dry or damp cloth. Assembled Dimensions: 8.15"L x 4.5"W x 1.85"H. Origin: China. Warning: Choking Hazard - This toy contains small parts NOT for children under 3 years.