Jumbo Test Tubes Time ink-less and safe from birth

ink-less and safe from birth

A colourful 200-piece Ravensburger puzzle

and combine the pieces with other loose parts for open-ended imaginative play

Pairs perfectly with Grimm's Large Stepped Pyramid blocks

Jumbo Test Tubes Time ink-less and safe from birthThese chunky, durable test tubes put serious science safely within reach for young students, encouraging inquiry based investigation and hands on observation. Details 6 test tubes with different coloured lids to track experiments, plus a sturdy rack and activity guide Safe at temperatures from 10F to 200F, with calibration marks at 25, 50, 75 and 100ml Hand wash only Tubes measure 6"H x 1. 5" diameter Recommended for ages 3+