DIY Mini Hot Air Stirling Engine Motor Model Educational Toy Kits best children gift Educational Science Toys

Description

Specifications: Material:metal,glass Size:165x87x95mm Note: -There will be the operation of steam,when the steam too much, the engine will stop working, inside and outside the needle often set aside to reduce friction -Do not rotate the nut too tightly, otherwise the glass is broken, if the piston is cracked, can be bonded with glue. -The alcohol lamp wick do not touch the glass, do not get too tight ring -Pulling the piston connecting rod can not force the front end, because the front end is easy to break Package include: 1 x Stirling Engine 1 x Alcohol Burner 1 x SpareHeating Tube for spare Manual instruction we will send by email to you.