Hardwood Flip Tops will flip right over onto their stem if you spin them fast enough. These tops are not recommended for kids under six as they haven't yet developed the proper dexterity to get the tops to work. Flip Tops measure approximately 1-1/4" diameter by 1-3/4" tall. Ages 7 years and up Weight 0.3 lbs Dimensions 1.2" x 1.2" x 1.6" Each top sold separately. Available in Blue, Red, Green. Want a particular color? Call us or let us surprise you.