Ugears Dynamometer ★Mechanical 3D Puzzle Kit Model Toys Gift Present Birthday Xmas Christmas Kids Adults 2.5D Puzzles As to the technical characteristics:

As to the technical characteristics: the Ugears Monowheel kit comes with 300 parts

【Upgrade 18 wheels with Rubber Block】-more contact surfaces

Attach your drive to your keyring to keep it convenient and secure

Hot rods are personal automotive visions brought to life

Welcome to the dwelling of a wise and cunning beast guarding countless treasures he will only reveal to the one bold enough to face his mechanical magic

Ugears Dynamometer ★Mechanical 3D Puzzle Kit Model Toys Gift Present Birthday Xmas Christmas Kids Adults 2.5D Puzzles As to the technical characteristics:Model Size ( Length x Width x Height ) 147 X 72 X 170mm Package Size ( Length x Width x Height ) 37 x 14 x 3cm Package Weight 350g Number of Parts 48 If you have trouble deciding what to do with your day then the Dynamometer is just the machine for you. Similar to our Pneumatic Engine, this model operates by turning air pressure into motion. The difference is that this model will give direction to your otherwise aimless day. Blow on the top gear to