Product Info: Age: For 3+ years old boy & girl Material: PVC & TPR A total of 142 PCS Construction Building Blocks: 1 x Wrench 2 x Screwdriver 6 x Wheels 134 x Other Parts 1 x Gift Box 1 x Instruction Manual STEM Activities Construction Engineering Building Blocks Toys for Kids Creative, Inspirational, Recreational, STEM toys for boys girls 3+ year old and up Great toys, you can get a strong sense of color, digital counting, geometry 2D, 3D and engineering skills. Great little finger toys can cultivate fine motor skills and thinking. Great toys can encourage children's imagination, creativity, brain development and critical thinking Bonding Toys. Great building toys to spend a good time with family and friends. Safe, durable and washable Read more FUN EDUCATIONAL BUILDING MODELS Improve Hand-eye Coordination Engineering building blocks toys will enhance fine motor skills & eye-hand coordination, encourage imagination & creativity Improve Logical Thinking Sharpen their thinking, From creativity to imagination, spatial awareness to problem-solving, fine motor skills to patience Improve Teamwork Cultivate social interaction skills such as teamwork, communication and collaboration, and develop cognitive skills for problem-solving. Read more Strengthen Parent-child Interaction Work with children to build various ideas, and play with this building block to help strengthen parent-child relationship and communication. Parents can learn more about their children's real thoughts and interests, and help them build self-confidence and sense of achievement after completing different creations.