Plasma Ball 15cm has-enquire-form once the seven ‘blockers’ have

once the seven ‘blockers’ have been positioned

The classic cube that started it all AND BEST SELLING PUZZLE IN HISTORY

Round up your marbles with the Tip Tube and set them free again

LCD for room temperature monitoring

Bring you Sea Monkeys to life

Plasma Ball 15cm has-enquire-form once the seven ‘blockers’ haveThe plasma ball demonstrates the properties of electrical discharges, which you can control with your fingers as you touch the lamp. The perfect geek gift for teens and adults who love science and all things mesmerising! WARNING: This item is not a toy and should not be placed near sensitive electronic equipment and is not suitable for people with a pacemaker. Ages 5 Years +