Suretrack Locking System for Wooden Rail Toys ** THREE PACKS ** includes BONUS (2) Thomas the Tank Engine Stickers by "Dazy, Inc." Suretrack Clips for Wooden Railways Compatible with many popular wooden train toys Track layout can remain intact for extended periods of time without glue or nails (2) Thomas the Tank Engine Stickers! You will receive (3) full packages of Suretrack Clips -- a total of 42 clips!