**Spordas Memory Relay Poly Spots - Yellow 26232 The ball and chain is

The ball and chain is for demonstrating thermal expansion

Ideal for small group experiments in electrostatics

Simply remove any magnetic foam numbers to assess learning

75mm extruded Aluminium slotted channels with a carry handle on each end

**Spordas Memory Relay Poly Spots - Yellow 26232 The ball and chain isThese 12 colored Memory Relay Poly Spots have one number and one shape each. These spots enable you to set up the Memory Relay game: the first player runs and turns around a poly spot and shows it to his team. He then puts it back on the ground again, shape and number downwards. The following players try to find the poly spot double (number or shape). The team wins if all poly spots pairs have been found and brought back to the team. Educational