Ada Twist, Scientist Light and Reveal Pen with Invisible Ink, Lights Up and Plays The The Hypothesis Song, Accessory for Scientist Dress-Up Set, Kids Toys for Ages 3 Up by Just Play

Ada Twist, Scientist Light and Reveal Pen with Invisible Ink, Lights Up and Plays The The Hypothesis Song, Accessory for Scientist Dress-Up Set, Kids Toys for Ages 3 Up by Just Play - This Ada Twist, Scientist pen features lights, phrases, music and includes a notepad. Press the pen's button to hear Ada sing "The Hypothesis Song"! - Write a message on the notepad with the invisible ink pen and shine the light to reveal the hidden message. - Looks just like the one Ada uses on Netflix’s preschool show and makes a great accessory for the Ada Twist, Scientist Dress-Up Set. - Bring home the the rest of the Ada Twist, Scientist toys and let your child explore the fun of friendship, scientific discovery, and teamwork. - Requires 3 x AG13 batteries (included). - Ages 3+ - - 4 ounces 4.75 x 2 x 7 inches

Ada Twist, Scientist Light and Reveal Pen with Invisible Ink, Lights Up and Plays The The Hypothesis Song, Accessory for Scientist Dress-Up Set, Kids Toys for Ages 3 Up by Just Play