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3D Puzzles for Adults Electric Insect Metal Model Building Kit Desk Toys Hobby Kit for Adults Gift for Teens Rhinoceros Beetle Red

Prices as of September 26, 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
$71.09
Sep 13 · Macy's
Best price
$78.99
−0% vs high
14-day high
$78.99
All stores
$79$75$71
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $71.09 at Macy's. Highest: $78.99. Current best is 0% below the 14-day high.

About this product

Robotime's 3D metal puzzle kit is a hands-on building project featuring a biopunk-inspired rhinoceros beetle model with intricate gear-driven mechanics. The assembled piece includes a planetary gear motor that powers rapid wing flapping at 618 beats per minute, along with a V8-cylinder piston and LED indicators for dynamic visual effects. This interactive desk toy activates via a brass touch pad, running a three-minute mechanical performance before automatically shutting off to conserve energy. Designed for adults and teens, it combines STEM learning with mindful assembly and serves as an engaging hobby or gift.

  • 156 pre-cut metal parts
  • wings flap 618 times per minute
  • brass touch pad activation
  • LED indicators and piston motion
  • three-hour assembly time
  • wooden base included

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3D Puzzles for Adults Electric Insect Metal — Price History