Shaw 1.5cm Magnetic Pole Marbles 20pcs 2 Options Marble Run Games STEM Toys 3yrs+

These plastic cased marbles look like colourful plastic balls, but each one contains a magnet so they stick together, hang together and pull towards and away from each other - as a first introduction to the magical world of magnetism they are great fun. They're sure to help children with understanding magnetism and can also be used for maths activities such as counting & sorting. Ideal for use with Magnetic Wands. Details: Each pack contains 20 pieces Magnetic wands are not included but sold separately Suitable for children aged 3+ years Size 15mm diameter.