Discovery Mindblown - 58pc Classic Marble Run Electricity (55 for the task and

(55 for the task and 4 spare ones)

GEL REFILL INCLUDED FOR MULTIPLE DISSECTIONS - Once the bones and organs are reassembled

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

building and erupting a volcano

Discovery Mindblown - 58pc Classic Marble Run Electricity (55 for the task andDiscover 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