A simple Lego Pneumatic Engine which runs with two pumps, unmodified switch and cylinder, even the hardest.

Available in three versions :

• No pump (you need your own source of air : compressor of bike pump / 2-3 bars)
• 2x Lego pumps
• 2x Lego pumps in handpump

This small engine is easy to build a do not require setting, this is a perfect gift for steam machine lover !

Dimensions :  17cm (L) x 23.5cm (H) x 12cm (W)