SCIENCE - Mass & Weight
																																			Spring Scale Set - Excellent for measuring mass and force, these dynamometers also illustrate various types of friction. Each scale is adjustable for precise measurement calibration. Includes: one 250g/2.5N scale, one 500g/5N scale, one 1000g/10N scale, and one 5000g/50N scale. Ages: 5 to 13
																																																								20.35
																																Interlocking Gram Unit Cubes - Weigh them! Measure them! Brightly colored interlocking plastic cubes each measure one cubic centimeter and weigh one gram. Set includes 500 cubes in 10 different colors. Ages: 6 to 13
																																																								13.55
																																	Hexagram® Weights - Set of 54 Hexagram weights includes twenty 1g, twenty 5g, ten 10g and four 20g weights. Ages: 6 to 13 or set of 35
																																																								7.60
																																		Beginner’s Balance - Introduce mass and measurement with this simple see-saw balance. Balance arm snaps into place for easy use. Calibrates easily with sliding compensator clips. Includes 10 weight-related Three Bear Family Counters and multilingual Activity Guide. 15.75" x 4". Ages: 3 to 8
																																																								9.30
																																					Primary Rocker Balance - Virtually indestructible balance designed for early childhood discoveries. Removable buckets hold up to 1?2 liter each of liquids or solids. Sturdy plastic easily disassembles for cleaning. One gram sensitivity. Ages: 3 to 11
																																																								16.10
																																				Platform Scales - Measure liquids and solids in removable pans. Easy-to-read, accurate English/metric scales have 2.2 kg/5 lb. capacities. Ages: 8 to 13
																																																											9.30
																																				Platform Scales - Measure liquids and solids in removable pans. Easy-to-read, accurate English/metric scales have 5 kg/11 lb. and 2.2 kg/5 lb. capacities. Ages: 8 to 13
																																																								11.85
																																						Interlocking Gram Unit Cubes - Weigh them! Measure them! Brightly colored interlocking plastic cubes each measure one cubic centimeter and weigh one gram. Set includes 1000 cubes in 10 different colors. Ages: 6 to 13
																																																								24.60
																																						Add-On Scale - Easy-to-use mechanical scale with add-on tare feature allows the weighing of separate items! Large 1,100ml dishwasher-safe bowl lets students add counters, blocks, sand and even liquid! Bowl can be removed for weighing larger items on platform. Weight Capacity is 2.0 kg/4.4 lbs. Accuracy is 1/2 oz/ 20 g. Bowl Capacity 1.10 liter Ages: 11 to 13
																																																				spring scales 250g/.55 lb. 500g/1.1 lb.1000g/2.2 lb. 2000g/4.4 lb.
																																																										6.35