| These hands-on manipulatives are guaranteed to provide many hours of individual practice and reinforcement for youngsters working with basic facts. 10 Wheels include N+0 through 9+9 basic addition facts. All materials are printed on a colorful array of heavy weight cover stock; additional coloring is optional. Lamination is recommended to provide extra wear and durability. Movable parts attach to fact window squares with small round head fasteners to provide covers for answers. | |