Mechanics Lab Triple Engined Helicopter and Airboat Balls They will have fun doing

They will have fun doing it

the 2x2 design offers just the right level of challenge for beginners and cube fans alike

this set is sure to please young fashionistas and encourage creativity

Every truck comes in one of 4 distinctive body styles

What a great way to keep the kids entertained at home

Mechanics Lab Triple Engined Helicopter and Airboat Balls They will have fun doingA scientific kit to discover the secrets of aerodynamics and fluid dynamics. Featuring two dynamics models of a three rotor helicopter and airboat to build, children can discover the way transmission mechanisms work. Contains more than 130 interchangeable components including gearbox, gears, bars, propellers and pins. Suitable for Ages 8+