Nice science toy, and usefule thing.
Aleksey Kokorev. 9/27/2017 at 11h30 Review collected by Feefo
Perfect tool to make magnetic fields vissible.
Marco Vogels. 9/27/2017 at 11h30 Review collected by Feefo
Wendy Gilbert. 9/27/2017 at 11h29 Review collected by Feefo
Fun but pricey.
MS J MILLER. 9/27/2017 at 11h29 Review collected by Feefo