Discovery Mindblown - 58pc Classic Marble Run Electricity Digging up your own gems

Digging up your own gems is the perfect way to add specimens to any rock collection

3 printed paper sheets

(55 for the task and 4 spare ones)

Thanks to the illustrated manual you can carry out fun experiments with every day and chemical substances

bicarbonate

Discovery Mindblown - 58pc Classic Marble Run Electricity Digging up your own gemsDiscover gravity in motion with the Discovery Classic Marble Run. This 58 piece STEM construction set includes 52 interlocking track pieces and 6 marbles for hours of creative fun. Kids can follow the guide to build three exciting tracks or design their own. As marbles roll, twist, and race to the finish, kids learn how speed, slope, and direction affect momentum. The snap in tile system makes building easy and stable for frustration free play. Along