UGears The Monster Book of Monsters | 3D Wooden Mechanical Puzzles | STEM Building & Engineering Kits | Harry Potter™ Collection

Available for sale ETA 2/13/2026

The Monster Book of Monsters™ – Interactive 3D Wooden Puzzle by UGears. Assemble me. Open if you dare!

Straight from the wizarding world, The Monster Book of Monsters™ is one of the most unforgettable magical objects, inspired by Harry Potter and the Prisoner of Azkaban. Once assembled, this mechanical wooden puzzle doesn’t just sit on a shelf — it comes alive.

Wind the pull-cord at the back, release the strap, and watch the book roll forward as its cover snaps open and shut like biting jaws. Just before full release, the eyes pop open for a surprise effect that delights kids, teens, and adults alike.

This hands-on DIY model combines creative building, movement, and magic, making it a perfect gift for Harry Potter™ fans, families, and puzzle lovers.

Why you’ll love it:

• Dynamic motion powered by a metal spring

• Travels up to 78 in / 200 cm

• Pull-cord winding mechanism

• Start/Stop strap for controlled movement

• Snapping cover + popping eyes for extra fun

• Colored details add personality and realism

Ugears quality you can trust:

• Laser-cut wooden parts

• No glue or special tools required

• Step-by-step instructions in 11 languages

• Free spare parts available upon request

✨ A magical build, an unforgettable gift, and a show-stopping display piece.

Specifications:
Model size: 6.3 x 5.9 x 2.6 in
Package size: 14.7 x 6.7 x 1.4 in 
Number of parts: 195 
Recommended Age: 14+
Level: Intermediate