From the manufacturer:
These three cheerful, boat-shaped water toys are charting a course to bath- and pool-time fun! Link them in any order - sturdy plastic pegs connect each boat to the next with a simple snap. "Maritime Mates" water toys and pool games feature cheerful characters to encourage beginning swimmers and lots of exciting games to keep big kids splashing, swimming and having a blast. Summer is even more fun with Sunny Patch pool toys! 3 boats each: 5.5" x 4" x 2.75"