Fun Work Series (Parts) No. 229 32mm Diameter Sprocket & Crawler Set. Only the 30-link crawler was used. The standard product includes: - 132 crawler links (30 links x 2, 10 links x 4, 8 links x 4) - 1 set of sprockets - 2 x 3x100mm hexagonal shafts - 1 x 3x100mm round shaft However, this includes: - 264 crawler links (10 links x 20, 8 links x 8) - 2 sets of sprockets - 4 x 3x100mm hexagonal shafts - 2 x 3x100mm round shafts