The ideal pack to get your class involved and intrigued in polymer science. Students simply squirt one liquid into the other and slimey polymer worms are created instantly. Conveniently packed for 20 students.

Contents: Three containers with worm builder powder; worm medium powder; plastic cups (32); sticks (20); syringes (10); instructions and science info.

Refill chemicals available. Order separately.

Age: 7+