[Each Building Kit] - Railcar Bricks All plastic bricks are well packed in a container for hassle-free storage and transformation. More blocks, more options, more constructions, and endless fun for your little ones! [CREATE YOUR OWN 3D WORLD - This building block comes in different block sizes. They can play it to discover, build and learn for hours and hours independently, making playtime challenging and interesting. [Inspire Kids Brain] - Sets are rich in colors and can improve your child's cognitive ability. Keep your kids busy and entertained for hours. [Safe and High Quality] - Made of high quality ABS material, friendly and environmental. All corners are round and the drill rotation speed is slow and steady, so that children can play safely. Great for 3+ year old children! [Best Gift] - Greatest building blocks to keep kids away from computer or pad. A nice gift idea for Christmas, Christmas, Thanksgiving or any other appropriate occasion. We are confident that you will love our games. Spark their creativity and let their imagination run wild.