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Pendulum Balance Toy, 3D Wooden Puzzles for Adults, Retro Deep-Sea Adventurer, DIY Craft Wood Puzzle Kit

Prices as of September 27, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$35.09
Sep 14 · Macy's
Best price
$38.99
−0% vs high
14-day high
$38.99
All stores
$39$37$35
Sep 14Sep 27
  • Macy's
Lowest in 14 days: $35.09 at Macy's. Highest: $38.99. Current best is 0% below the 14-day high.

About this product

Robotime's Pendulum Balance Toy is a 3D wooden puzzle kit featuring a transparent mini-submarine that moves along a track using gravity. Comprising 219 precision laser-cut pieces, the kit offers a calming, screen-free assembly experience lasting about three hours. Once built, the model functions as a kinetic desk sculpture with visible gears and smooth pendulum motion, demonstrating physics principles in an engaging way. Ideal for adults and older children, it combines hands-on craftsmanship with scientific curiosity.

  • 219 laser-cut wooden pieces
  • gravity-powered pendulum motion
  • transparent mini-submarine design
  • 3-hour assembly time
  • no batteries or cords needed
  • spot clean care

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Pendulum Balance Toy, 3D Wooden Puzzles — Price History