GIFTS FOR HIM Mechanical engineer or inventor

Pumping Unit that Works - Pumping Unit Model Kit - TECHING Pumping Unit DIY Assembly 3D Metal Mechanical Puzzle Educational Toys Collection 219Pcs
Pumping Unit that Works - Pumping Unit Model Kit - TECHING Pumping Unit DIY Assembly 3D Metal Mechanical Puzzle Educational Toys Collection 219Pcs
$139.99

Pumping Unit that Works - Pumping Unit Model Kit - TECHING Pumping Unit DIY Assembly 3D Metal Mechanical Puzzle Educational Toys Collection 219Pcs

TECHING 219Pcs Pumping Unit Assembly Model Kit that Works Details:Brand: TECHINGProduct Name: Pumping Unit Model Kit Material: Aluminium Alloy + St...

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$139.99
ENGINEDIY Teching V4  Four-Cylinder Engine Kit | Stirling Engine Model Full Aluminum Alloy Collection - enginediy
ENGINEDIY Teching V4  Four-Cylinder Engine Kit | Stirling Engine Model Full Aluminum Alloy Collection - enginediy
$469.99

TECHING L4 Engine Model Kit that Works - Build Your Own Engine - Full Metal 4 Cylinder Car Engine Kit Car Engine Model

Car Engine Build Kit Four-cylinder V4 Car Engine Assembly Model Gift for Collection The four cylinder car engine kit is designed based on Inlin...

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$469.99
L4 Diesel Engine Model Kit that Works - Build Your Own Diesel Engine - TECHING 1: 10  Full Metal Mini L4 4 Cylinder Engine OHV Inline 4 Cylinder Engine Model Kit 300+PCS
L4 Diesel Engine Model Kit that Works - Build Your Own Diesel Engine - TECHING 1: 10  Full Metal Mini L4 4 Cylinder Engine OHV Inline 4 Cylinder Engine Model Kit 300+PCS
from $329.99

L4 Diesel Engine Model Kit that Works - Build Your Own Diesel Engine - TECHING 1: 10 Full Metal Mini L4 4 Cylinder Engine OHV Inline 4 Cylinder Engine Model Kit 300+PCS

Diesel Engine Model Kit that Works - Build Your Own Diesel Engine - TECHING 1/10 DIY Mini Metal OHV Inline Four-cylinder Dynamic Car Engine Dies...

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from $329.99