Science & Exploration Sets features: With a wide range of different tools to choose, children can encourage spatial thinking ability to assemble the building blocks, develop divergent thinking and explore more game modes. Exercise hands-on ability, hand-eye coordination, logical thinking and problem solving ability. Our engineering tools set comes with a suitcase. All the accessories can be placed in the suitcase. Features Color: Assorted color Material: Wood Size: 29.70 x 20.50 x 8.50cm/ 11.67 x 8.06 x 3.34 inch Lightweight, easy to carry and use. Your baby can take it anywhere. A perfect travel toy All the accessories are suitable size, easy for baby to grip. Exercise their grip ability and self-confidence Bright colors can attract toddler's attention. Promote their color sensory recognition and shape recognition Our construction tools are highly simulation design. They can provide your child with a realistic game experience Inspires your kid's spirit of exploration, help your kid recognize the tools and learn their functions.