【305 Pieces Included】 - Lixiin construction toys include 272 flexible track pieces, 2 racing cars, 4 mini construction vehicles, 4 traffic signs, 3 trees, 8 bridges, 10 tunnels, and 2 Y-tracks. An advanced set to build your little one's own construction kingdom! 【CREATE YOUR OWN ROAD】 - With Y-tracks, curved rails, and bridges, this STEM building toy helps your child unleash their imagination and build their own rail world, providing hours of healthy, hands-on play. 【6 DIFFERENT TYPES OF CONSTRUCTION VEHICLES】 - We've included 6 simulated construction vehicles with unique designs and functions. Includes a transporter, excavator, road roller, cement truck, and 2 racing cars. The perfect gift for boys and girls ages 3, 4, 5, and 6. 【MORE ACCESSORIES, MORE FUN】 - Cars can cross bridges, and track pieces can be folded and snapped together to form a variety of track shapes. Each truck has movable working arms. Kids can pretend to use these trucks for all kinds of construction jobs and enjoy hours of creative and imaginative play. 【SAFETY AND DETAILS】 - Meets European toy standards. Made of non-toxic materials, safety always comes first. Each construction track is uniquely designed to fit perfectly in a child's hand, easy to carry in a bag for playing anywhere, a perfect gift for little ones on Christmas, Easter, birthdays, and other holidays.