Class pack for six teams includes: [6] pulley sets (each set is 4 pulleys), [6] motors, and [6] motor holders.
The teacher must supply glue (any type such as hot glue guns or wood glue), thin sheet metal (for block and tackle), nuts and bolts or pins and nails (for pulley axle).
PLEASE NOTE: Balsa sold separately. Requires a variable power supply (842639).
