Twist & TurnablesTwist and Turnables take nuts & bolts play a whole new level They give construction a new twist with screw together shapes that won't come tumbling down. Eight basic nuts and bolts in four bright colors and shapes, mix and match creating endless possible combinations. Develops motor skills and stimulates imagination. Durable child safe paint finish and solid wood construction are hallmarks of Hape toys. Product dimensions: 7 x 2. 3 x 7 inches