The plexiglass box (2 pieces) used in the experiment.

Is there a better way to glue two piece of acrylic together? More

Martin KEPPERT, Czech Technical University in Prague, Prague, ČVUT, Faculty of Civil Engineering (FSV)

Wow! Kids will have a blast as they learn while they play. This complete chemistry set includes everything a child needs to conduct real world experiments. Includes 28 pieces including safety goggles and easy to follow laminated instruction/experiment cards. Recommended for kids ages 5 to 12.

Dr. Stem Toys - Kids First Chemistry Set Science Kit - 28 Pieces All in A Storage Bucket

Igor MEDVED, Professor, University of Constantinus the Philosopher in Nitra - Univerzita Konstant'na Filozofa v Nitre, Nitra, Department of Physics

Creative Large Acrylic Cartoon Color Folder Student Test - Temu

Klara KOBETICOVA, Assistant Professor, PhD, Czech Technical University in Prague, Prague, ČVUT, Faculty of Civil Engineering (FSV)

Klara KOBETICOVA, Assistant Professor, PhD, Czech Technical University in Prague, Prague, ČVUT, Faculty of Civil Engineering (FSV)

Hardness test kit, Drop count, w/HIBS, two reagents system, w

Plan of a Courtyard Sandstone House in Gaza (Alamy House) Source