POOF-SLINKY: Tornado Maker Kit. Create and watch an F1, F2, F3, F4 or F5 tornado form right before your eyes in your own room! Thunderous tornado sounds are built-in. The kit also comes with a 29-page fun and fact booklet. This package contains one Tornado Maker and one Fun and Fact booklet Requires 3 AA batteries, not included. Recommended for children ages 6 and up. WARNING:CHOKING HAZARD-Small parts. Not for children under 3 years. Imported.