Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Features:The gear cube is a brand new concept in cube design and has the following inventive steps. using a full gear mechanism that requires twelve 90° turns to complete one rotation. a brilliant design!- Activate your imagination and creativity- Perfect for testing both your patience and mental skill- Great gift for friends， family members， beginners and pros - Suitable for both kids and adults Type: Magic Cubes Difficulty: 3x3x3 Material: ABS Age: Above 8 year-old Package weight: 0.222 kg Package size (L x W x H): 6.30 x 6.30 x 6.30 cm / 2.48 x 2.48 x 2.48 inches Package Contents: 1 x 3D Gear Magic Cube 3 x 3 x 3 Black Base Colorful Cool Brain Teaser Educational Toy