4 Piece Glass Delivery Tube Set Durable Construction: Housed in a

Durable Construction: Housed in a robust metal die-cast housing

Fulcrum and Balance: The lever is balanced on a knife edge fulcrum

Allows Them to Self Monitor Behavior This simple device is easily operated by the teacher though remote control and allows children to self monitor their behavior

Educational Tool: Ideal for educational settings to enhance understanding of electromagnetic principles

All joint sizes are 19/26 to perfectly fit & lock with each other

4 Piece Glass Delivery Tube Set Durable Construction: Housed in aIncluded: 1 x short straight tube (70mm), 1 x long straight tube (170mm), 1 x long tube with 90 bend (60mm x 160mm), 1 x short tube with 90 bend (60mm x 60mm). All tubes have an inner diameter of 4mm, an exterior diameter of 5mm and vary in length. Premium Quality: Glassware is made of high quality, heavy duty, Borosilicate 3. 3 glass. Autoclavable, with superior chemical durability. Low temperature gradient can withstand high temperatures & thermal