The Ultimate Invisable Ink Book by Klutz 5 Proprietary gelatin material provides a

Proprietary gelatin material provides a safe dissecting experience without using a real frog

It includes 40 puzzle pieces made of top-quality wood to ensure durability and longevity

uality & Durability: Built with a tough plastic shell and a soft rubber bumper to protect walls and furniture

Material: Plush

100% polyfiber fill

The Ultimate Invisable Ink Book by Klutz 5 Proprietary gelatin material provides aAn activity book to beat the boredom blues, packaged with a UV invisible ink pen with built in revealer light! Battling the I Have Nothing To Do Blues? Never fear, this book is here! The Klutz Book of Invisible Boredom Busters is jam packed with hidden messages, secret codes, games, jokes, and more activities to help bust even the most unbeatable boredom. You'll see both visible (and invisible) activities, fabulous facts, and mysterious messages