Hi I am Jason,we a professional manufacturer of various science toys, educational toys for children,arts & crafts products. Our products are sold all over the world for about 20 years, we have been dedicated to serving our customers a one-stop source for the highest quality products, innovative designs, best pricing, and timely delivery, while providing world-class service. We also provide OEM, ODM customization,and private brand development production. If you're interested in it, I can send you a full file for you. Looking forward to your reply sincerely! Thanks & Regards ------------------------------------- Jason Kentel toys Ltd.