ROKR Marble Roller Coaster Clockwork Mechanical 3D Puzzle Game Woodcraft Construction Kit Adult Craft Set Puzzle Present (Tower Coaster)

• Creative Activity for Brain and Memory These 3D wooden mechanical clockwork puzzles require minimum of 4 hours of DIY full of fun. The puzzle activities have been scientifically proven to improve memory, relieving stress, improve visual spatial reasoning s and increase IQ.
• Perfect gifts for puzzle lovers, excellent gift for puzzle lovers to enjoy wonderful puzzle solving experience and creative design. Recommend 14 years old and up, small parts not for children under 3. Package includes everything you need to make this amazing model. All it needs is your time and patience. An enchanting fantastic experience to enjoy and you will be thrilled when the project is finished. It's like an Old Time Manual Toys, no batteries needed. Bring out the imagination for our you
• Item package quantity: 1.0
• embly required: Yes

Product Description ROKR offers the world’s first 3D assembly puzzle technology. Robotime now makes over 400 wooden puzzles. Our goal is to offer DIY fun to our customers. For this Mechanical Clockwork Model Series, you will enter into an Amazing World and enjoy Mechanical DIY Fun. Boys, teenagers, or adults will fall in love with it. You can also have a sense of accomplishment when you complete these model kits. Help children exercise their hand-eye coordination, improve patience and help them focus on one thing, much better than a phone or a video game. If you love puzzles, DIY projects, doll houses, or any other craft construction kits, these projects are waiting for you to complete. Directions Includes construction instructions