163 Piece STEM Toys Kit, Educational Construction Engineering 163-pieces Features: SUPPORTS STEM EDUCATION - Designed to enhance your children's Science, Technology, Engineering, and Math skills. Improve your kids' imagination and creativity by challenging them to build their own cars, animals, robots and anything they can imagine! Our educational building blocks grow with your child, too! We include a large, full-color guide with 42 designs your kids can build, starting from easy for younger kids to advanced designs for older kids.GIFT A TOY THAT ENCOURAGES YOUR CHILD TO LEARN THROUGH PLAY - Specially created to help your child develop hand-eye coordination, master fine motor skills, improve logical thinking, & boost vital problem solving skills. It's the ultimate toy that also promotes the importance of teamwork & collaboration, builds social skills, supports creativity, and improves imagination through interactive play.NEW SUPERIOR DESIGNS GIVE YOU MORE WAYS TO PLAY - Our bolts are custom designed with a built-in screwdriver slot so they can be used with either the wrench or the screwdriver to allow for even more ways to build. We also give you MORE tools than other sets: Four (4) dual-purpose "clicking" wrenches, a kid-friendly screwdriver, & a special combination wrench so more of your kids can play at the same time. Product Details: Handling We will ship all orders within 3 business day of payment. Delivery We Ship International via eCRATER GLOBAL SHIPPING PROGRAMME. Return Policy All items qualify for returns within 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged. Feedback We take our reputation seriously, we buy and sell online, so we understand the value of trust. If you are unsatisfied with your order, please contact us and we will work with you to resolve it to your satisfaction.