Hello friendOur Models are good in qualitywith ABS environmental materialsEducational for Children Kidschoose the model you like and if you have any question you can contact us asapthanks for your support Information When you place an order, please ensure that your order information is correct, including your name and address, so that the package will arrive more efficiently during delivery.this point is very important Shipping Once we receive your order and we will send out the parcel within 24-48 hours except some holidaysIn terms of logistics time, the arrival time of packages is usually 15-35 days except in some remote areasYou can choose the logistics channels according to your needs Package If you choose the products without boxes, we will carefully pack them in bubble bags to avoid being scratched during transportationAbout the original boxwe will pack more carefullytoo Feedback If you like our products. Please give us a negative feedback for five star, which is a great encouragement for us. about some model have some problemsplease do not hesitate to contact mewe will solve the problem for you asap(including the product supplement,Broken package and so on) Supplement If you miss some parts when you assembled the modelplease contact us and circle the missing part on the manualand we will check and resend asaponce we receive and send outwe will give you tracking number asap