Learning Resources Numberblocks Stampoline Park Stamp Activity Set. With the reusable stamps and washable inks, children can make the Numberblocks One to Ten, and create their own adventures based on the popular Numberblocks Stampoline Park episode. This 32-piece activity set has 12 ink pads, 10 with unique Numberblocks colours, and 2 large ink pads (red and black) to create facial features. Stamps are easy to wipe clean, and everything stores neatly inside the convenient storage box with carry handle, so the stamps and ink pads are always ready for number magic with the Numberblocks.With the reusable stamps and washable ink, children can make their favourite Numberblocks from One to Ten, creating their own adventures based on the Stampoline Park Numberblocks episode.