Mostop Marble Run Building Blocks, 292 PCS Big Blocks STEM Toy Bricks Set Kids Race Track Toy Compatible with Classic Large Bricks Birthday Gift for Boys Girls Ages 3 4 5 6 7 8 Year Old - YY-16001S

• [Marble Run Building Blocks] This marble run building blocks covers variety of creative marble run pieces and all of which are compatible with large blocks well from all major brands. So they are a great choice whether used on their own or as a supplement to existing traditional blocks. Children can not only enjoy the sense of achievement in building models, but also experience the fun of marble run games. [Easy to Build, Safe & Fun] This marble running toy block set is made of ABS plastic material, sturdy and safe. There is no burrs or sharp edges, smooth surface make it safe to touch for kids. 292 pcs building blocks, just enjoy the great sense of achievement with your children. [STEM Puzzle Blocks Toy] This marble run helps to inspire children to explore the relationship between resistance and gravity due to different track shapes and lengths, exercising spatial thinking, imagination, creativity, hands-on skills and attention span, making it a great learning tool for preschoolers to interact with their parents at home. [Suitable for All Ages Kids] This marble run building block set is as an innovative 2-in-1 marble run + building blocks play set, the classic large blocks are suitable for toddlers aged 3-4 years and the marble run for children aged 4-8 years. The diameter of the marble balls is 2.4cm, it is recommended for 3+ years old kids and the adults’ accompany is necessary. [Great STEM Toy Gift] This innovative toy combines the excitement of a marble track, with the building possibilities of a space ship track blocks. Get ready to experience a thrilling marble adventure with your children! This marble running set is a great toy gift for 3 4 5 6 7 8 year old boys girls for birthday, Christmas and any other occasions., Manufacturer: Mostop