Join Ryan of the hit YouTube channel Ryan ToysReview and Ryan’s Mystery Playdate on Nickelodeon for a mystery playdate! This science-themed interactive 8x8 storybook is sure to excite fans! Who is Ryan’s mystery playdate? Solve a “what’s in the box” challenge, count frogs in a slime pool, and uncover hints with a decoder. This mystery playdate will blow you away! TM & © 2020 Pocketwatch, Inc. & Hour Hand Productions, LLC. All Rights Reserved.