- Made from high quality ABS plastic、 it is non-toxic and lightweight - Fine-tune type spring design、 you can adjust up to the best feeling by your need. Smooth turning、 high quality. - It is a traditional educational toy for kids and adults. It will bring a lot of fun for you. Dimensions: 2.24 in x 2.24 in x 2.24 in (5.7 cm x 5.7 cm x 5.7 cm) Weight: 3.10 oz (88 g)