Roller Coaster Mini Rail Euglena Just get it wet and

Just get it wet and watch it grow

You probably won't be lucky

Originally created in the 1970s

It comes disassembled and we advise to use a quick drying wood glue for assembly

Roller Coaster Mini Rail Euglena Just get it wet andCreate a large swooping rollercoaster with 27 feet of track. Send marbles racing through the course. Includes 4 marbles and detailed instruction booklet. A truly unique marble run! Watch the marbles accelerate down steep slopes, climb uphill almost to a stop, roll quietly along flat plateaus, before racing down another chilling plunge at full speed. Ideal for demonstrating principles like velocity, acceleration, gravity & friction. Includes marbles of