Helicopter

Helicopter has both rotors connected by gears so you can spin them together by turning gear on bottom of helicopter.

Helicopter
author: Tomik
pieces: 197
difficulty: ♦ ♦ ♦ ♦ ◊
playability: ♦ ♦ ♦ ◊ ◊
solidity: ♦ ♦ ♦ ♦ ◊
stability: ♦ ♦ ♦ ♦ ♦
Download instructions

Ugly Buggy

This ugly buggy features front axle steering and small in-line engine with moving pistons driven by rear axle.

Ugly Buggy
author: Tomik
pieces: 226
difficulty: ♦ ♦ ♦ ♦ ◊
playability: ♦ ♦ ♦ ◊ ◊
solidity: ♦ ♦ ♦ ♦ ◊
stability: ♦ ♦ ♦ ♦ ♦
Download instructions