Hape Twist and Turnables Montessori screw toy Good used condition Smoke free, pet free home Wood toys, built to last Have original box, but damaged 24+ months Unisex Young children can refine their fine motor skills with these colorful screw-together blocks. This set of eight wooden blocks can be matched by shape or color. Four are fitted with sturdy plastic screws to join to the others (up to two or three high). This manipulative activity enhances eye-hand coordination and spatial relations. Pieces are 2" high x 1¾". Paint finish is water-based.