Yes & Know Invisible Ink Trivia Game Books- Dinosaurs

Name: Yes & Know Invisible Ink Trivia Game Books- Dinosaurs
Brand: TREE TOWN TOYS
SKU: 120427
Price: 7.29 USD
Availability: InStock
Rating: 5.0 (5 reviews)

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Yes & Know Invisible Ink Trivia Game Books- Dinosaurs - View 2

$7.29 ~~$9.99~~ In stock

Dig into prehistoric fun with the Yes & Know® Invisible Ink Trivia Book: Dinosaurs! Kids can test their dinosaur knowledge and reveal hidden answers as they go.

Characteristics: Interactive dinosaur trivia book with invisible-ink answers and fun facts.

Size: Compact activity book.

Age: Approximately 6-10 years.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Emily K. ★★★★★ Oct 22, 2026

The ink really is invisible until you color over it, which kept my kids guessing for hours. They loved how each page had a new dinosaur fact hidden under the answers.

Richard C. ★★★★★ Oct 21, 2026

My nephew loved testing his dinosaur knowledge with this, and the invisible ink reveal kept him entertained for a good hour. The trivia questions are challenging enough for a 7-year-old but still fun.

Samuel Y. ★★★★★ Oct 20, 2026

The kids grabbed these on a rainy afternoon and didn't stop until they'd answered every single dino question. I love that the hidden answers actually keep them checking their own work without me hovering. Perfect road-trip or quiet-time pick.