Learning Resources Numberblocks Reusable Clings. Recreate the Numberblocks One to Ten on classroom whiteboards and bring the number magic from the award-winning Numberblocks TV series to life in news ways for young children. Made from an innovative, durable material, Numberblocks Reusable Clings are easy to DIY, and can be repositioned over and over again. This set comes with 8 sheets of clings with the 142 pieces needed to recreate Numberblocks One to Ten including their arms, legs, and facial features, as well as more poses for characters Four, Five, Eight, Nine, and Ten. Includes multilingual packaging and instruction sheet. 142 Piece Set. (Caution: Results of the Clings may cause damage when used on different surfaces. Avoid using Clings on newly painted surfaces, surfaces with direct sunlight, and areas that are very humid or hot. Before prolonged use, test the Clings on a small area. Clings work best on smooth, clean surfaces.)