Compatible with all major brands Vatos Stem building bricks are designed to universal standards and are compatible with your existing brand components You can design your own models by adding more toysSafe and environmentally friendly materials All 513 pieces are made of environmentally friendly safe and durable nontoxic ABS plastic no sharp sturdy and unique design allow children to take it anywhere and then easily pick up all the piecesEducational toys for kids This science toy teaches children how to build the excavator and help develop practical skills and creativity develop problem solving skills improve critical thinking and selfconfidence and promote the importance of team workUnique design Our building block excavator can move forward when you push it across your carpet These Stem toys are a perfect gift for children to explore This incredible toy is perfect for boys aged 610 yearsComes with a total of 513 parts and stepbystep instructions (English language not guaranteed) We guarantee your child hours of fun and excitement when building the flexible car Both parents and children can enjoy interactive family time Vatos promises to offer our valued customers a highquality product